Automatic Operation Or Control (e.g., Trips) Patents (Class 74/2)
  • Patent number: 9494249
    Abstract: A valve includes a valve cover, the valve cover having a solenoid attachment portion, an orifice bore defined in the solenoid attachment portion, and a valve cover mechanical stop, the solenoid attachment portion having a solenoid attachment sink; and a solenoid, the solenoid having a solenoid body, a valve cover attachment portion, and a plunger, the plunger having an open position and a closed position, the plunger including an interface portion, the solenoid body including a solenoid mechanical stop, the solenoid mechanical stop engagable with the valve cover mechanical stop to space the interface portion of the plunger away from the orifice bore when the plunger is in the open position.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: November 15, 2016
    Assignee: Mueller International, LLC
    Inventor: Jeremy McCraven
  • Patent number: 9297235
    Abstract: A production control system for an underwater well, comprises: first electrically operated means for supplying first hydraulic fluid, for opening a first control valve of the well; second electrically operated means, for supplying second hydraulic fluid at a higher pressure than said first fluid, for opening a further control valve of the well; electronic circuitry (SEM1) for providing electrical power for operating said first and second means; and means for controlling the sequence of closing said control valves as a result of a loss of electrical power from said electronic circuitry. The controlling means comprises: electrical power storage means; detection means responsive to said loss of power from said electronic circuitry; and means coupled with said detection means for using electrical power from said storage means to keep said further control valve open for a period after closure of said first control valve and close it after said period.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: March 29, 2016
    Assignee: GE Oil & Gas Uk Limited
    Inventors: Ian John Kent, Peter John Davey
  • Patent number: 9214892
    Abstract: A solar array including a solar array assembly, hub assembly, and wing assembly.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: December 15, 2015
    Assignee: Orbital ATK, Inc.
    Inventors: Stephen F. White, Mark V. Douglas, Ronald S. Takeda, Brian R. Spence, Noel T. Gregory, Jason Z. Schmidt, Peter Sorensen, T. Jeffrey Harvey
  • Patent number: 9206908
    Abstract: A pin release mechanism which includes a release pin, a bias spring, a spring guide, a moveable ball retainer and a solenoid assembly. The release pin is axially movable from a first to a second position. The bias spring is connected to the release pin and exerts a force biasing the release pin towards the second position. The spring guide receives the bias spring interacts with ball bearings. The moveable ball retainer is connected to the bias spring and has a locked position in which ball bearings radially interfere with the movement of the release pin and prevents movement of the release pin from the first to the second position by engaging the release pin, and an unlocked position in which the ball bearings may move radially, disengaging the release pin, and engaging the ball retainer, to allow the release pin to move from the first towards the second position.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: December 8, 2015
    Assignee: G.W. Lisk Company, Inc.
    Inventors: George F. Howard, Michael T. Levis
  • Patent number: 9163484
    Abstract: An actuator for displacing a control device including a valve, a gate valve or the like, in particular for use in oil or gas production systems, said actuator comprising an electric drive and a thread drive displaceable by means of said electric drive. The thread drive comprises at least a threaded spindle and a screw nut. The threaded spindle is displaceable in a substantially axial direction between an advanced position and a retracted position so as to displace the control device. In order to improve an actuator of this kind in such a way that advantages of an already known actuator will be maintained on the basis of a smaller number of components and a more compact structural design and a reduction of the manufacturing costs can simultaneously be accomplished, the electric drive comprises at least one torque motor with a hollow shaft, said hollow shaft being connected to the driven side of a safety clutch unit such that it is secured against rotation relative thereto.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: October 20, 2015
    Assignee: OneSubsea IP UK Limited
    Inventors: Klaus Biester, Norbert Lenz
  • Patent number: 9144648
    Abstract: An injector for injecting medicament in a patient. The injector includes a container comprising a fluid chamber containing a first volume of a medicament, and an injection conduit associated with the fluid chamber for defining a fluid pathway therefrom to inject the medicament from the fluid chamber through the injection conduit to an injection location. The injector also includes a firing mechanism associated with the fluid chamber for expelling the medicament from the fluid chamber through the injection conduit, and a volume-control mechanism operable to control a fraction of the first volume of medicament that is injected when the firing mechanism is actuated to inject the medicament.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: September 29, 2015
    Assignee: ANTARES PHARMA, INC.
    Inventors: Paul R. Lesch, Jr., Matthew Rust, Tom KraMer
  • Patent number: 9144698
    Abstract: A valve actuation mechanism has a plurality of links. Each link has a proximal end and distal end, and the links are disposed adjacent a valve member. The actuation mechanism also has at least one roller connected to the distal ends of at least two links. The roller contacts a surface of the valve member. In addition, at least one pivot for each link is present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: September 29, 2015
    Assignee: Kidde Technologies, Inc.
    Inventors: Doug John Baxendell, Rusty Rose, Daniel Ray MacLachlan
  • Patent number: 9140243
    Abstract: A shape memory alloy (SMA) actuator includes a SMA element connected to a first crown to move the first crown with respect to a second crown along an axis to toggle the actuator rod between a first position and a second position, the first position and the second position maintained when the SMA element is deenergized.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: September 22, 2015
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Umesh N. Gandhi, Christian A. Trager, Clare A. McNamara
  • Patent number: 9123495
    Abstract: An auxiliary trip unit for a circuit breaker comprises: a drive part with a movable blade, a latch fitted pivoting around a swivelling axis and designed to secure the blade in a neutral position, against a flexible bias force, until movement of the latch takes place to a released position, a nose of the latch salient in a direction passing through the swivelling axis so as to comprise a salient end where positive latching of the blade on the latch takes place in the neutral position. The latch collaborates with the blade to receive a thrust force acting in the direction of resetting of the latch to its latching position.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: September 1, 2015
    Assignee: SCHNEIDER ELECTRIC INDUSTRIES SAS
    Inventor: Mickael Bertrand
  • Publication number: 20150033881
    Abstract: A device (1) is provided for reversing the movement and/or actuation direction of an actuating cable (2) of a mechanism. A sliding piston (5) is arranged in a housing (3), which is fixed to the frame, so as to be displaceable in a sliding manner. The sliding piston can be displaced by the actuating cable (2). At least one actuating element (6) is arranged laterally on the sliding piston (5). A direction of movement of the actuating element is opposite to a direction of movement of the actuating cable (2) and the actuating element is mechanically coupled to the mechanism that is actuated.
    Type: Application
    Filed: February 4, 2013
    Publication date: February 5, 2015
    Inventors: Ketan Kulkarni, Thomas Beiling
  • Publication number: 20150033882
    Abstract: The restraining strap has a rectangular cross section with a broad side against cylindrical sections holding a release member. The moment of inertia for a rectangular cross section strap is represented by the formula I=BH3/12. The lower moment of inertia reduces the load on the fusible link. With no limit to the number of wraps around the cylindrical sections, higher preloads can be accommodated by increasing the number of wraps of the restraining strap without affecting the moment of inertia or the amount of force borne by the fusible link. The actuator has a catch extending between the restrainer and actuator. The catch ends engage the restrainer and actuator and, upon release from the actuator, the catch rotates to allow the restrainer to unwind from about the cylindrical sections.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Edward Rudoy, Larry Leroy McCormick, Edwin Vega, Nury Izraliov
  • Patent number: 8904889
    Abstract: The restraining strap has a rectangular cross section with a broad side against cylindrical sections holding a release member. The moment of inertia for a rectangular cross section strap is represented by the formula I=BH3/12. The lower moment of inertia reduces the load on the fusible link. With no limit to the number of wraps around the cylindrical sections, higher preloads can be accommodated by increasing the number of wraps of the restraining strap without affecting the moment of inertia or the amount of force borne by the fusible link. The actuator has a catch extending between the restrainer and actuator. The catch ends engage the restrainer and actuator and, upon release from the actuator, the catch rotates to allow the restrainer to unwind from about the cylindrical sections.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: December 9, 2014
    Assignee: NEA Electronics, Inc.
    Inventors: Edward Rudoy, Larry Leroy McCormick, Edwin Vega, Nury Izrailov
  • Patent number: 8487202
    Abstract: A mechanical latching unit for a main drive unit includes a rolling mechanical switch within a housing, with a main roller, a counter roller, a carriage and a carriage trip/locking lever, with a first joint created between the main roller and the first end of the carriage, where by the load of the traction link of the main drive unit carried out to the main roller distributes a primary force component carried out to the counter roller and a secondary force component carried out in a direction to a second end of the carriage, where by the mechanical latching unit includes a force reduction mechanism having at least two force reduction stages, a carrier reset spring fastened to the housing which resets the carriage back to a neutral respectively blocking position, and a lever reset spring which resets the carriage trip/locking lever back to a neutral respectively blocking position.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 16, 2013
    Assignee: ABB Technology AG
    Inventors: Anke Hackbarth, Christoph Budde, Günther Mechler, Ryan Chladny, Sebastian Breisch, Sven Soetebier, Daniel Staffas
  • Patent number: 8308129
    Abstract: A fail-safe electromagnetic linkage has a support device for a valve head, and an actuator component actuable by an actuator. The support device is coupled to the actuator component while power is supplied to the electromagnet and decoupled from the actuator component while power is not supplied to the electromagnet. The assembly further comprises a return mechanism configured to drive the support device relative to the actuator component if power is not supplied to the electromagnet.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: November 13, 2012
    Assignee: Rolls-Royce PLC
    Inventors: Matthew L Strange, Frank R Watson, Robert A Barker, Neil R Horn, Adrian J Miller
  • Patent number: 8265810
    Abstract: A method for automatically controlling the speed of a ship, in which the engine speed (nMOT) is automatically controlled by a closed-loop engine speed control system as an inner closed-loop control system, the ship's speed (vS) is automatically controlled by a closed-loop ship's speed control system as an outer closed-loop control system, and the ship's set speed (vSL) is influenced as a reference input of the closed-loop ship's speed control system as a function of an external signal source. The ship's set speed (vSL) is corrected as a function of the underwater topography (TOPO).
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: September 11, 2012
    Assignee: MTU Friedrichshafen GmbH
    Inventors: Marc Hehle, Hans-Gerd Freisem, Olaf Kammertoens
  • Patent number: 7766342
    Abstract: Attachments for a manual wheelchair are provided for navigating a wheelchair over obstacles and uneven terrain, such as a typical curb on a street. The attachments provide for regulating the movement of the wheelchair as the wheelchair descends the curb and to prevent the wheelchair from flipping over during such movement. The attachments include a front caster wheel slider assembly on each side of the wheelchair, a follower wheel assembly and a track belt damping bar. The front caster wheel slider assembly includes a piston that will quickly push the front caster wheels down after they roll over the top edge of the curb. The follower wheel assembly acts as a sensor that will release the piston in the assembly after the front caster wheels roll over the top edge of the curb. As the back wheels of the wheelchair roll over and down the curb, the track belt damping bar slows the descent of the wheelchair.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: August 3, 2010
    Assignees: Montefiore Medical Center, The University of Hartford
    Inventors: Avital Fast, Devdas Shetty, Moshe Raz, Giora Rothman
  • Publication number: 20100139423
    Abstract: A clamp and quick release mechanism for clamping and releasing a cylindrical linkage to a rod-like member comprises a locking ring located on the rod-like member and a clamping ring. The inner surface of the clamping ring and the outer surface of the locking ring are configured such that rotation of the clamping ring in one direction will compress the locking ring and rotation in the other direction will allow expansion of the locking ring.
    Type: Application
    Filed: December 8, 2008
    Publication date: June 10, 2010
    Applicant: WABTEC HOLDING CORP.
    Inventors: Michael E. Levins, II, Benjamin J. Smith, Michael J. Sette, Roland S. Moore
  • Publication number: 20100109307
    Abstract: A rollover protection system for motor vehicles with a roll bar, which can be moved by a drive unit from a position of rest to a protection position, is secured in the protection position by a locking device and prevented from retracting, and is fixed in the position of rest by a holding device, wherein the holding device has a movably arranged catch element which can be disengaged abruptly by a pyrotechnical actuator. For such cases in which the catch element can move beyond the release point and there is a danger of a rebounding, because a path-limiting stop is present, the invention calls for providing a structural part that prevents a return movement of the catch element into the holding position. This structural part can be a detent spring arranged in the travel path of the catch element, being fastened to the roll bar and preventing the catch element from swiveling back after striking a path-limiting wall of the roll bar.
    Type: Application
    Filed: October 30, 2009
    Publication date: May 6, 2010
    Applicant: ISE AUTOMOTIVE GMBH
    Inventors: Gürkan Beki, Stephan Berges, Michael Nass, Dietmar Wacker, Jorg Benz
  • Patent number: 7704053
    Abstract: A pivoting mechanism for use in a high temperature steam distribution system includes an input member operative to move between a low level position and a high level position. A compression spring having a first end and a second end is also provided. The first end of the compression spring is connected to the input member. A pivot member is operatively connected to the second end of the compression spring. The pivot member rotates in a snap over fashion to a first position when the input member reaches the upper position. When the input member reaches the lower position, the pivot member rotates in a snap over fashion to a second position.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: April 27, 2010
    Assignee: Spirax Sarco, Inc.
    Inventors: Jon W. Dukes, Rickie A. Pendergrass, Drew L. Platts, Jairo L. Soares
  • Publication number: 20100089189
    Abstract: The restraining strap has a rectangular cross section with a broad side against cylindrical sections holding a release member. The moment of inertia for a rectangular cross section strap is represented by the formula I=BH3/12. The lower moment of inertia reduces the load on the fusible link. With no limit to the number of wraps around the cylindrical sections, higher preloads can be accommodated by increasing the number of wraps of the restraining strap without affecting the moment of inertia or the amount of force borne by the fusible link. The accuator has a catch extending between the restrainer and actuator. The catch ends engage the restrainer and actuator and, upon release from the actuator, the catch rotates to allow the restrainer to unwind from about the cylindrical sections.
    Type: Application
    Filed: August 1, 2005
    Publication date: April 15, 2010
    Inventors: Edward Rudoy, Larry Leroy McCormick, Edwin E. Vega, Nury Israilov
  • Publication number: 20100005913
    Abstract: A release device having a multi-segment split spool with a central bore adapted to axially restrain a tensioned member. A tensioned tape is overlappingly wound around the spool segments thereby preventing radial movement of the spool segments. The overlapping winding allows for a low profile housing for the release device. The multiple segments require less radial motion for release of the tensioned member.
    Type: Application
    Filed: April 14, 2008
    Publication date: January 14, 2010
    Inventor: Varouj G. Baghdasarian
  • Patent number: 7591201
    Abstract: A MEMS structure having a compensated resonating member is described. In an embodiment, a MEMS structure comprises a resonating member coupled to a substrate by an anchor. A dynamic mass-load is coupled with the resonating member. The dynamic mass-load is provided for compensating a change in frequency of the resonating member by altering the moment of inertia of the resonating member by way of a positional change relative to the anchor.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: September 22, 2009
    Assignee: Silicon Clocks, Inc.
    Inventors: David H. Bernstein, Roger T. Howe, Emmanuel P. Quevy
  • Publication number: 20090211383
    Abstract: An emergency stop for a brake device for a motor includes a blocking device, a spring, and an inhibiting material. The blocking device is movable between a first position, at which it allows rotation of the drive shaft, and a second position, at which it at least substantially stops rotation of a drive shaft of the motor. The spring is housed at least partially within the housing, and urges the blocking device toward the first position. The inhibiting material at least partially surrounds the blocking device and/or the spring, and has a melting point that is at least substantially known. The inhibiting material at least substantially prevents movement of the blocking device from the first to the second position when a temperature is below the melting point, and allows movement of the blocking device from the first to the second position when the temperature is above the melting point.
    Type: Application
    Filed: September 11, 2007
    Publication date: August 27, 2009
    Applicant: HONEYWELL INTERNATIONAL, INC.
    Inventors: Donald J. Christensen, David M. Eschborn, Glenn H. Lane
  • Patent number: 7553205
    Abstract: An actuator, which find exemplary use in connection with a safety system which aims to stop powering of a boat by an engine or sail if a person falls overboard. The actuator stores energy in a main spring which is manually created by pushing linearly on an actuator rod which extends from the actuator housing. The main spring is captured between two concentric sleeves one of which sleeves is fixed to the housing. A low power coil is energizes a magnetic shuttle to cause linear motion of a shuttle against urging of small spring contained within the bore of the shuttle. Movement of the shuttle enables radial motion of balls from a position where the sleeves are locked together to one which enables one sleeve to move under force of the main spring, and thereby move the push/pull rod and act on an object to which the actuator is connected.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: June 30, 2009
    Assignee: Autotether, Inc.
    Inventors: Martin J. LoSchiavo, Anthony G. Viggiano
  • Publication number: 20090158866
    Abstract: A hydraulic control unit is set up to hydraulically actuate a starting clutch of a motor vehicle and gear selectors of a transmission of the motor vehicle by use of hydraulic valves which are integrated in the hydraulic control unit and which have in each case at least one control element. The hydraulic control unit is characterized in that the integrated hydraulic valves are aligned in the hydraulic control unit in such a way that a movement direction of a vibratory element of a hydraulic valve which controls only the starting clutch differs from the movement direction of vibratory elements of the other hydraulic valves, and is aligned to a lesser extent with the longitudinal axis of the motor vehicle.
    Type: Application
    Filed: December 22, 2008
    Publication date: June 25, 2009
    Applicant: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Frank Kurrle, Joachim Esser, Jan Pfingst, Arne Kruger, Thorsten Boger
  • Publication number: 20090151483
    Abstract: A leveling control system and method for heavy equipment is provided. The leveling control system for heavy equipment, in which a lower frame having a traveling means and an upper frame are combined together by a tilting means, includes a sensor unit, provided in the equipment, for measuring twist angles of the lower frame and the upper frame against a reference horizontal surface and a traveling speed of the equipment, and detecting working state information of working devices; a control unit for receiving the twist angles, the traveling speed, and the working state information, calculating a correction angle for the leveling control of the upper frame, and generating a control signal for instructing an operation of an actuator in accordance with the correction angle; and a driving unit for performing the leveling through the actuator in accordance with the control signal received therein.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 18, 2009
    Inventors: Jin Seop KIM, Chang Soo Lee, In Woo Kim
  • Patent number: 7444893
    Abstract: A booster actuator 10 may be positioned between the solenoid 12 and a valve 14, and increases the energy output from the solenoid to activate the valve. The booster actuator 10 may include a force input member 28 and a force output member 30 each linearly movable with respect to a body 20 from an initial position to an activated position. A coil spring 46 biases the input member to the initial input position, while a plurality of disk springs 48 bias the output member 30 to the activated output position. A plurality of linking members 32 each pivotable with respect to the body normally retain the force output member in the initial position, but upon movement of the input member to the activated position release the force output member in response to the disk springs.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: November 4, 2008
    Assignee: Ansul Incorporated
    Inventor: James R. Gressel
  • Publication number: 20080141798
    Abstract: A stored energy trigger assembly is provided including a mounting substrate and a pawl plate rotationally mounted thereto having a pawl mount end, a pawl trigger end, and a pawl lock protrusion positioned between. The pawl plate rotatable between a pawl lock position and a pawl disengage position to which it is biased. A cam plate is rotationally engaged to the mounting substrate and includes a cam plate upper surface, a cam plate lower surface, a cam lock slot, and a push wire engagement protrusion positioned on a cam plate periphery. It is rotatable between a cam lock position and a cam release position to which it is biased. A pawl trigger element engages the pawl trigger end and is configured to move the pawl plate to the pawl disengage position. A push wire assembly is moved a wire activation distance when the cam plate is moved to the cam release position.
    Type: Application
    Filed: October 20, 2006
    Publication date: June 19, 2008
    Applicant: Lear Corporation
    Inventor: Gary R. Thomas
  • Publication number: 20080092681
    Abstract: The invention relates to a powershift gearbox comprising a first and a second gearbox block in which respectively one gear from a first or second set of gears associated with each gearbox block can be passed between an input shaft and an output shaft of the gearbox block. The inventive gearbox comprises a slip-free clutch arrangement between each gearbox block and a common drive shaft of the powershift gearbox, that enables the input shaft of the gearbox block to be coupled to the drive shaft either directly or by means of a common slippable clutch.
    Type: Application
    Filed: July 30, 2005
    Publication date: April 24, 2008
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventor: Mathias Remmler
  • Publication number: 20080047374
    Abstract: A drive device has a rotatable driving shaft and a driven shaft. The driving shaft, or input shaft, and the driven shaft, or output shaft, are joined to each other by way of a magnetic coupling. The driven shaft can be blocked in a direction of rotation such that magnetic forces emanating from the magnetic coupling cause the driven shaft to move in a direction opposite that of the direction of blocking. The driven shaft moves in a springing manner.
    Type: Application
    Filed: March 8, 2005
    Publication date: February 28, 2008
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Manfred Meinherz, Joerg Tietze
  • Patent number: 7108116
    Abstract: A clutch actuating apparatus for engaging a clutch on an engine, such as an engine that drives an oil or gas well pump. The clutch actuator includes a first prime mover for rotating a clutch operating shaft in one direction toward a clutch-engaging position, but which unseats from driving the shaft after the shaft reaches the break over point and before engaging the clutch to prevent clutch damage. A second prime mover rotates the clutch operating shaft in the opposite direction toward a clutch-disengaging position, and unseats from driving the shaft after the break over point.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: September 19, 2006
    Assignee: Electronic Design for Industry, Inc.
    Inventor: Samuel R. Wynn
  • Patent number: 7021166
    Abstract: A booster actuator 10 may be positioned between the solenoid 12 and a valve 14, and increases the energy output from the solenoid to activate the valve. The booster actuator 10 may include a force input member 28 and a force output member 30 each linearly movable with respect to a body 20 from an initial position to an activated position. A coil spring 46 biases the input member to the initial input position, while a plurality of disk springs 48 bias the output member 30 to the activated output position. A plurality of linking members 32 each pivotable with respect to the body normally retain the force output member in the initial position, but upon movement of the input member to the activated position release the force output member in response to the disk springs.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: April 4, 2006
    Assignee: Ansul Incorporated
    Inventor: James R. Gressel
  • Patent number: 6902188
    Abstract: A restraint apparatus for protecting a vehicle occupant in a side impact or rollover event. The restraint apparatus includes a deployment guide that includes a housing having a channel with a substantially smoothed interior and longitudinal slot. A guide member is slidably retained in the channel and has an extension protruding from the slotted side of the channel. The extension is attachable to a restraint device deployable laterally of a vehicle occupant. An actuator is provided and is operable to drive the guide member from a first end of the channel toward a second end. A driving of the guide member facilitates deployment of the restraint device and supplies at least a longitudinal tensioning force to the restraint device to provide lateral support thereto.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: June 7, 2005
    Assignee: Takata Restraint Systems, Inc.
    Inventors: Kenji Nakamura, Michael J. Scavnicky
  • Patent number: 6838629
    Abstract: A force-storing unit for a tap changer has an output shaft journaled in a support and a pair of parallel guide rods fixed on the support, defining a longitudinal direction, and spaced parallel to the shaft. A force-storing slide and an output part are displaceable longitudinally along the rods between respective end positions. Teeth on the output part mesh with a gear carried on the output shaft. Mechanism between a drive shaft and the slide displaces the slide longitudinally on the rods in a direction dependent on a rotation direction of the drive shaft and loads a spring between the slide and the output part as the slide is moved longitudinally relative to the output part. A latch connected between the slide and the output part retains the output part in each of its end positions until the slide moves into the respective end position.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: January 4, 2005
    Assignee: Maschinenfabrik Reinhausen GmbH
    Inventor: Reinhold Baertl
  • Patent number: 6785930
    Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member reaches a predetermined load as a result of a fatigue condition, such as snow or ice build up on the windshield.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: September 7, 2004
    Assignee: Valeo Electrical Systems, Inc.
    Inventors: Harry C. Buchanan, Jr., Yaomin Dong
  • Publication number: 20040118230
    Abstract: A force sense imparting type input apparatus includes an operation portion, an actuator for imparting a force sense to the operation portion, a position sensor for detecting an operating direction and an operating quantity of the operation portion, a temperature sensor for detecting a temperature of the actuator, and a controller for acquiring a position signal and a temperature signal and outputting driving signal of the actuator. A correction control portion provided to the controller determines a calorific value of the actuator from the temperature signal, then a correction value of driving power supplied to the actuator from the calorific value so calculated, adds a correction value of driving power of the actuator at the time of a normal operation and decides driving power of the actuator at the time of over-heat.
    Type: Application
    Filed: December 3, 2003
    Publication date: June 24, 2004
    Applicant: Alps Electric Co., Ltd.
    Inventors: Yoshio Sanpei, Kaiji Nonaka, Ayumu Kobayashi, Ken Shibazaki, Noriyuki Fukushima
  • Patent number: 6747541
    Abstract: An improved spool assembly for non-explosive actuators used in electro-mechanical structural separation devices. The spool assembly includes two spool halves each having external surfaces and a generally flat internal surface, a unitary and integral internal member made of an electrically conductive material and having a link-wire portion and two electrical terminal portions, and an external wrap-wire wound around the two spool halves and having a connecting end connected to the link-wire portion of the unitary and integral internal member such that the wrap-wire tightly binds the two spool halves together to form a spool for retaining an external structural member.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: June 8, 2004
    Assignee: G&H Technology, Inc.
    Inventors: Andrew Holt, Jui-Yu Wu, Matthew Dalton, Patrick Laughlin
  • Patent number: 6745994
    Abstract: A device for restoring a rotary member into a defined normal position, with a spatially stationary fixed catch, which predetermines the normal position, and a driver catch, which is coupled to the rotary member and can be moved past the fixed catch, each of which has stop surfaces embodied on each of its opposing sides, and with a clamping spring, which encompasses the catches in a prestressed fashion with two bent spring legs, in order to prevent a rotary play between the clamping spring and the catches in the normal position, and an elastic spring element in at least one leg section of the spring legs extending across the stop surfaces of the catches, which spring element is supported against the associated stop surface with a spring force that is less powerful than the prestressing force of the clamping spring.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: June 8, 2004
    Assignee: Robert Bosch GmbH
    Inventors: Harald Klug, Alexander Braun, Friedrich Wendel, Claudio Pupo, Reiner Schweinfurth, Klaus Kaiser, Johannes Meiwes, Michael Brozio, Uwe Hammer, Stefan Josten
  • Patent number: 6722216
    Abstract: A booster actuator 10 may be positioned between the solenoid 12 and a valve 14, and increases the energy output from the solenoid to activate the valve. The booster actuator 10 may include a force input member 28 and a force output member 30 each linearly movable with respect to a body 20 from an initial position to an activated position. A coil spring 46 biases the input member to the initial input position, while a plurality of disk springs 48 bias the output member 30 to the activated output position. A plurality of linking members 32 each pivotable with respect to the body normally retain the force output member in the initial position, but upon movement of the input member to the activated position release the force output member in response to the disk springs.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: April 20, 2004
    Assignee: Ansul Incorporated
    Inventor: James R. Gressel
  • Patent number: 6579028
    Abstract: The connecting rod (1) for a knuckle joint device with three parallel axes comprises a substantially U-shaped center part (2), whereby the lower transversal branch (3a) thereof constitutes a third articulated axis (X3) of a release device and said branch (3a) is connected at a substantially right angle to the side branches (3b, 3c) and elastic deformation is possible, the side branches extend as far as the upper end thereof by means of segments (3d,3e) that are bent inwards and are parallel to the transversal branch, whereby said segments (3d,3e) display torsional elasticity around the geometric axis thereof such that a rotational return movement is possible on the side ranches (3b,3c) around said geometrical axis and the second axis (X2) of the knuckle joint device.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: June 17, 2003
    Assignee: Dosatron International
    Inventor: Stephane Urrutia
  • Publication number: 20020162408
    Abstract: An actuator for a release device of a motor vehicle has a control acting on the release device and at least one actuator element sending a signal wireless to the control for triggering a release action of the release device. The actuator element is a momentary-contact pushbutton and is part of a passive receiver. The passive receiver has a passive antenna arranged in a resonance circuit that is closed by actuating the actuator element.
    Type: Application
    Filed: January 30, 2002
    Publication date: November 7, 2002
    Applicant: Reitter & Schefenacker GmbH & Co. KG
    Inventor: Helmut Bentivoglio
  • Patent number: 6450064
    Abstract: A self-aligning release assembly for a separation mechanism is provided. The separation mechanism has a protective housing for selectively releasably securing a fastener. The protective housing is mountable to a structure. The release assembly comprises a rotatable flywheel having an internal bearing race with the bearing race having a plurality of recessed portions. A plurality of bearing elements contact the bearing race and a positioning element is positioned within and adjacent the flywheel for aligning and retaining the bearing elements. A retaining mechanism releasably retains the fastener with the retaining means positioned within the flywheel with the outer surfaces of the retaining means abutting the bearing elements.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: September 17, 2002
    Assignee: Starsys Research Corporation
    Inventors: Scott S. Christiansen, Scott F. Tibbitts, David E. Dowen
  • Patent number: 6446519
    Abstract: An actuator for actuating a control mechanism by axially moving an actuating member against a force comprises a housing in which a reversible drive is arranged with a first rotatable part and a second rotatable part engagable with one another and acting on the actuating member for axially moving it in feed direction to the control mechanism upon rotation in one direction. An electric motor rotates the first rotatable part and the second rotatable part by engagement with the first rotatable part. A rotation prevention member prevents rotation of at least one of the rotatable parts in a second direction. A release releases the rotation prevention member to permit rotation of at least one of the rotatable parts to permit the actuating member to be axially moved in a direction opposite to the feed direction.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: September 10, 2002
    Assignee: Cooper Cameron Corporation
    Inventor: Klaus Biester
  • Patent number: 6334366
    Abstract: A driving device for a rollover bar for motor vehicles has a piston-cylinder unit that, in a crash situation, extends the rollover bar out of a rest position into a supporting position. A further or second piston-cylinder unit is provided as an additional drive for the purpose of adjusting the first piston-cylinder unit. The influence of the further piston-cylinder unit on the first piston-cylinder unit can be cancelled in the presence of a crash signal. The piston of the first piston-cylinder unit has detent toothing formed on it which acts counter to a retraction movement of the first piston-cylinder unit and with which a controllable detent element is brought into engagement by means of a hydraulic cylinder in any extended position. A piston of the further piston-cylinder unit is held releasably in its retracted position by a controllable locking device.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: January 1, 2002
    Assignee: DaimlerChrysler AG
    Inventors: Eckart Schuler, Carsten Unruh, Frank Van de Poel
  • Patent number: 6133818
    Abstract: A highly reliable release apparatus which is used to stow or release desired devices such as, for example, solar arrays, antenna positioning mechanisms, reflectors, found on satellites, space stations or spacecraft. Deployment of the desired device is prevented or allowed by respectively restraining or releasing a first member under tension. The apparatus comprises a support member having an opening and a first face arranged about the opening. A second member is located within the opening when the first member is in tension and is adapted to be attached to an end of the first member. At least three locking members such as fuse wires are arranged on the first face of said support member for restraining the second member within the opening in order to maintain tension on the first member. The second member is attached to the first member in a manner such that at least two of the fuse wires must be severed before the restraint on the second member is released.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: October 17, 2000
    Assignee: Space Systems/Loral, Inc.
    Inventors: Cindy Hsin-I Hsieh, Varouj G. Baghdasarian
  • Patent number: 5924323
    Abstract: A lever arrangement for transmitting a driving force to a switch contact of a power switch has parallel bearing plates with limiting parts mounted on them to reduce the distance between the bearing plates locally to a distance suitable for guiding hinge-connected levers. Hinge pins of the levers are guided so they slide along the limiting parts. Threaded pins are riveted to one bearing plate at one end and are secured on the other bearing plate with a nut.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: July 20, 1999
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ludvik Godesa, Michael Sebekow, Adolf Wihan
  • Patent number: 5915668
    Abstract: A valve actuating apparatus is provided for operating a valve between an open and closed position. The valve actuating apparatus includes an actuator having an output member with the actuator providing reciprocating motion to the output member upon energization of the actuator. A guide member having a detent therein is connected to the output member of the actuator. The apparatus includes a clutch assembly having a housing, an electromagnet assembly, an engagement member, and a housing opening with the engagement member disposed in the housing between the electromagnet assembly, and the housing opening. The housing opening is adapted to receive the guide member therein such that the clutch assembly and a portion of the guide member are slidably connected. The electromagnet assembly is selectively energized to force the engagement member against the guide member disposed in the housing opening.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: June 29, 1999
    Assignee: Micro-Trak Systems, Inc.
    Inventors: Gary Dennis Hodapp, Semor David Tofte
  • Patent number: 5855141
    Abstract: A scrolling device includes a first disk, a second disk and a middle disk wherein a shaft extends through the disks and two setting devices are respectively disposed between the middle disk and the respective one of the first and the second disk. A casing receives the three disks therein and is driven by a motor which is controlled by two control members disposed to the first and second disk. Each of the setting devices include a base gear and a plurality of wheels each of which has a toothed periphery and a cam member formed in a first side thereof, and two teeth extending laterally from a second side thereof, a setting member and a positioning member pivotally and respectively disposed between the middle disk and the respective one of the first and the second disk. The setting members each have gears engagable with the wheels and base gear, and a plurality of plates engagable with the cam members to set the wheels.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: January 5, 1999
    Inventor: Tai-Shan Chen
  • Patent number: 5848550
    Abstract: A quick relief mechanism including a sleeve having an external circumferential groove and a locking ring located on the sleeve and sized to seat in the groove. The locking ring is split at one location to provide split-end portions, and a rotatable clamping device is provided with a recess for receiving the split-end portions. The recess has narrow and wide dimensions that serve to engage and disengage the split-end portions of the locking ring to effect closing of the locking ring in the circumferential groove when the clamping device is rotated to present a narrow dimension to the split-end portions, and to open the locking ring when the wide dimension of the elongated slot is presented to the split-end portions.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: December 15, 1998
    Assignee: Westinghouse Air Brake Company
    Inventors: Christopher A. Cathcart, Roland S. Moore
  • Patent number: 5832779
    Abstract: An actuator assembly for moving a member, such as a gate valve, or the like, between a retracted and extended position, and a locking device for locking the member in its extended position. A ball screw is connected to the member to be moved and is in threaded engagement with a ball nut so that, upon rotation of the ball nut, the ball screw, and therefore the member, moves between a retracted and an extended position. A gear train is connect able between a power source and the ball nut for transferring torque therebetween to rotate the nut member. The locking device cooperates with the actuator for quickly and easily locking the ball screw in an extended position at any time without requiring it to be retracted and then extended, and includes a plunger that moves axially in a housing in response to movement of the ball screw. The plunger has a reduced dimension portion, and a stem is provided that has a reduced dimension portion and a regular dimension portion.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: November 10, 1998
    Assignee: Dresser Industries, Inc.
    Inventors: Ronn G. Madrid, Don Hiller