Speed Responsive Valve Control Patents (Class 137/47)
  • Patent number: 9696728
    Abstract: In one aspect, a water supply system for a waste disposal may include first and second supply conduits fluidly connected to separate water supplies, with the first supply conduit having a first discharge end and the second supply conduit having a second discharge end. The system may also include a disposal conduit fluidly connected to the first and second supply conduits. The disposal conduit may be spaced apart from the first and second conduits such that an air gap is defined between an inlet end of the disposal conduit and the first and second discharge ends. The inlet end may be configured to receive water expelled from the first and second supply conduits. Moreover, an outlet end of the disposal conduit may be configured to be in fluid communication with an inlet of the waste disposal such that water directed through the disposal conduit is received within the disposal.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: July 4, 2017
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Joseph Emil Gormley, Natarajan Venkatakrishnan
  • Patent number: 9517959
    Abstract: The present invention relates to mixing apparatus for crushing sludge comprising a motor part in which a rotary shaft is inserted into the motor part and the motor part is rotated, a moving part formed to penetrate the motor part from one side to another side and move a chemical which is flowed through an outside chemical feeder to the another side, and a paddle mounted on the another side of the motor part to rotate based on the rotation of the motor part and spray the chemical.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: December 13, 2016
    Assignee: Ecolab USA Inc.
    Inventors: Seung-Nyung Huh, Jin Nyung Huh
  • Patent number: 8810427
    Abstract: Electronic control system for a submarine actuator, said actuator comprising a container body, from which a drive shaft projects that is suitable for inserting in a seat of said submarine device. The system comprises an electronic control board for at least one electric motor arranged inside said container body suitable for moving said drive shaft.
    Type: Grant
    Filed: December 19, 2009
    Date of Patent: August 19, 2014
    Assignee: Cameron International Corporation
    Inventors: Carlo Liberale, Fabio Imperiali
  • Patent number: 8731787
    Abstract: A control valve device comprises two direction control valves. The direction control valve includes an expansion side variable throttle portion and a contraction side variable throttle portion. The direction control valve includes an expansion side variable throttle portion and a contraction side variable throttle portion. When a hoist cylinder is telescopically operated to raise or lower a vessel, as the hoist cylinder approaches a stop position, a controller determines that the hoist cylinder gets close to the stop position. Based upon this determination, the controller variably adjusts a flow passage area of the direction control valve using the variable throttle portions or variably adjusts a flow passage area of the direction control valve using the variable throttle portions in such a manner as to slow down or speed up the telescopic speed of the hoist cylinder corresponding to the weight in the side of vessel.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: May 20, 2014
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Katsumi Tamura, Toshikazu Minoshima, Michio Fushiki, Takao Kurosawa
  • Patent number: 8584698
    Abstract: An electronic, programmable device for controlling the motion of compressor valve elements, wherein the device receives an incoming signal from a velocity sensor located on a compressor valve; filters, amplifies, and processes the incoming signal by a control algorithm; and responds to the incoming signal by creating an output signal that produces an actuator force that is applied directly to a moving valve element and associated methodology.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: November 19, 2013
    Assignee: Southern Gas Association Gas Machinery Research Council
    Inventors: Klaus Brun, Merle E. Converse, Jerome A. Helffrich
  • Patent number: 8467907
    Abstract: A self-contained valve actuator of the present invention can comprise an actuator component. This actuator can be linear or quarter turn depending on the valve. The actuator can be double acting which means the piston will move once to open and once to close. The self-contained valve system uses hydraulic fluid to operate the valve. The valve system is directly powered with electric power from a battery. Solar panels are also incorporated to capture solar energy and convert this energy into electrical energy. This converted electrical energy is stored in the battery which enables the battery to continuously supply energy while substantially reducing the possibility of exhausting battery power. This resupply of electrical energy and the use of the hydraulic fluid creates a self-contained valve actuation system.
    Type: Grant
    Filed: January 18, 2010
    Date of Patent: June 18, 2013
    Assignee: Certus Process Solutions
    Inventor: Charles Hagler
  • Patent number: 8425863
    Abstract: A micro fluidic device includes a valve/pump-unit with reduced dead volume having a substrate. The lower surface of the substrate includes two micro channels spaced apart by a valve area of the substrate that separates the two micro channels. A flexible membrane is arranged on the lower surface of the substrate facing an actuating element located in a through going cut-out of a cover element. Movement of the actuating element towards and away from the valve area of the substrate causes a pump and/or valve action of the flexible membrane area, respectively, to cause or stop a directed fluid flow between the two micro channels through a channel formed between the valve area of the substrate and the flexible membrane.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: April 23, 2013
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Chris Van Haag, Ronald Cornelis De Gier, Adrianus Wilhelmus Dionisius Maria Van Den Brijgaart, Gheorghe Sorin Stan
  • Patent number: 8241590
    Abstract: A second valve is opened to combine an injection-pressure generating pressure with a maintaining pressure into an injection pressure. After the injection pressure is applied to a capillary to cause discharge of an object therefrom, an output pressure of a regulator is set to the injection pressure. Then, a first valve is opened to reapply the injection pressure to the capillary. The second valve is opened to combine a maintaining-pressure generating pressure with the injection pressure into the maintaining pressure. After the maintaining pressure is applied to the capillary to terminate the discharge of the object, the output pressure of the regulator is set to the maintaining pressure. Then, the first valve is opened to reapply the maintaining pressure to the capillary.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: August 14, 2012
    Assignee: Fujitsu Limited
    Inventors: Tohru Harada, Akihiko Yabuki, Kiyoshi Taninaka
  • Patent number: 8124031
    Abstract: A second valve is opened to combine an injection-pressure generating pressure with a maintaining pressure into an injection pressure. After the injection pressure is applied to a capillary to cause discharge of an object therefrom, an output pressure of a regulator is set to the injection pressure. Then, a first valve is opened to reapply the injection pressure to the capillary. The second valve is opened to combine a maintaining-pressure generating pressure with the injection pressure into the maintaining pressure. After the maintaining pressure is applied to the capillary to terminate the discharge of the object, the output pressure of the regulator is set to the maintaining pressure. Then, the first valve is opened to reapply the maintaining pressure to the capillary.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: February 28, 2012
    Assignee: Fujitsu Limited
    Inventors: Tohru Harada, Akihiko Yabuki, Kiyoshi Taninaka
  • Patent number: 7617949
    Abstract: A turbine wheel and gear system rotate an output shaft in response to flow, where the output shaft is connected to a clutch cup that engages a clutch and valve disk. The disk cooperates with a valve seat formed on a piston to permit/prevent flow within the piston. During flow, the clutch clamps to the disk, and the piston and disk move downstream until an associated control member hits a stop, opening the valve (as the disk stops), while the piston continues downstream. The clutch rotates the disk and control member, and if a maximum flow volume occurs, the control member rotates to an interrupt position and is released from the stop, closing the valve. Passages allow restricted flow to disengage the clutch and permit a spring to move the piston and valve upstream until engaging a reset cam that rotates the control member back to an initial position.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: November 17, 2009
    Inventor: Dwight N. Johnson
  • Patent number: 7258524
    Abstract: A device applied to regulating the flow rate of air flowing in a rotary shaft of a turbomachine, the shaft including at least one through orifice for passing air. The device at least one shutter member for shutting the orifice and secured to a deformable blade presenting bi-linear behavior, the blade being secured to the shaft and being suitable for deforming under the effect of the centrifugal force that results from the shaft rotating such that the shutter member is suitable for taking up two different positions depending on the speed of rotation of the shaft: one position in which it shuts the orifice; and another position in which it releases the orifice to allow air to pass through.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: August 21, 2007
    Assignee: SNECMA
    Inventors: Jerome Marcel Friedel, Jean-Pierre Andre Joseph Mourlan, Daniel Georges Plona
  • Patent number: 6984004
    Abstract: A method and a device for controlling at least one valve of a brake circuit using an electrical control variable, in which a characteristic curve which characterizes the relationship between the pressure drop across the valve and the electrical control variable has at least one region in which a change in the electrical variable results in a change in the pressure drop; and a starting value for the electrical control variable is selected during actuation of the valve such that the starting value is in this region or at the boundary of this region.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: January 10, 2006
    Assignee: Robert Bosch GmbH
    Inventors: Juergen Breitenbacher, Andreas Klug, Alfred Strehle
  • Patent number: 6814835
    Abstract: An apparatus for supplying chemicals in a chemical mechanical polishing (CMP) process includes a plurality of chemical solution supply sources for supplying different chemical solutions in a pump-less manner by using a pressure applied at the chemical solution supply sources, each supply source having an associated feed line, re-circulating line, and means for measuring and controlling flow rates of the chemical solutions supplied through the feed lines. The chemical solutions are delivered via a plurality of delivery lines to a mixer, thereby providing a mixed chemical solution to a chemical injection part of a polishing apparatus. Each means for measuring and controlling flow rates is mounted in the feed lines.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: November 9, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-un Kim, Seung-ki Chae, Je-Gu Lee, Sue-Ryeon Kim
  • Patent number: 6701223
    Abstract: Pipelines are controlled by specifying operations along them. Control specifies sequential control values defining operations at each station to control the pipeline state. The time-dependent state is determinable by software calculations using continuous measurements along the pipeline. Forecasted deliveries dictate that the current pipeline state must change by future time (T). Control sequences are determined at pipeline stations to exercise optimum pipeline control while achieving predetermined goals from the current state to a sustainable target state which supports future deliveries by simulating current pipeline states through time interval T, while satisfying time-dependent forecast deliveries. An initial computable control set is iteratively improved and evaluated by computing the gradient of pipeline operational cost, costs of missing target(s), and costs of violating constraints by solving an adjoint problem each time the simulation is made.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: March 2, 2004
    Assignee: Advantica, Inc.
    Inventors: Henry R. Rachford, Jr., Richard G. Carter
  • Patent number: 6175547
    Abstract: A positive and negative rotation gas dynamic pressure bearing comprises a stationary bearing member, a movable bearing member mounted for rotation relative to the stationary bearing member, dynamic pressure generating grooves having first and second ends and formed in one of confronting surfaces of the stationary bearing member and the movable bearing member, a self-switch valve connected to the movable bearing member for rotation therewith, and conducting holes having first and second ends and formed in the movable bearing member. During rotation of the movable bearing member in a first direction of rotation, a high dynamic pressure is generated at central portions of the dynamic pressure generating grooves, and a valve body of the self-switch valve moves toward a lower space of a valve case of the self-switch valve to close the second ends of the conducting holes.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: January 16, 2001
    Assignee: Seiko Instruments Inc.
    Inventor: Toshiharu Kogure
  • Patent number: 6123095
    Abstract: A vacuum breaker for use in a fluid supply system is provided. The vacuum breaker comprises a body having an interior, a fluid inlet, a fluid outlet, and an atmospheric air vent. The body is adapted to permit fluid to flow through the interior from the fluid inlet to the fluid outlet. A first seat disposed within the interior of the body. A bonnet having a second seat communicates with the air vent and the interior. A displacable float cup is disposed between the bonnet and the first seat. The float cup adapted to be sealingly seated against the second seat when the vacuum breaker is subject to an open flow condition, and to be sealingly seated against the first seat when the vacuum breaker encounters a pressure loss condition. Gaskets are provided to enhance the seal at the first and second seats. Both seats are above a water level within the body of the vacuum breaker. At the open flow condition the float cup seals the air vent and at the pressure loss condition the float cup opens the air vent.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: September 26, 2000
    Assignee: WaterSaver Faucet Co.
    Inventors: Steven Allen Kersten, Robert Joseph Centner
  • Patent number: 6010409
    Abstract: A vent regulator device adapted for use in a constant velocity joint including a housing having an inner surface defining an inner cavity. The inner surface includes an annular portion, and a domed portion which has a relatively small vent hole centrally located therein. The vent regulator device further includes a member having a first end and a second end where the first end is mounted to the inner surface of the housing and the second end is disposed proximate the vent hole. When the constant velocity joint is in one of either a static state and an active state rotating at speeds below a predetermined threshold, the vent hole is overlappingly covered by the first end of the member, thereby preventing grease from penetrating the hole. Moreover, when the constant velocity joint is in an active state rotating at speeds above the predetermined threshold, centrifugal forces cause the second end of the member to move away radially from the vent hole to allow venting of air therethrough.
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: January 4, 2000
    Assignee: GKN Automotive, Inc.
    Inventor: Rory Matthew Johnson
  • Patent number: 5780938
    Abstract: A duplexing encoder/decoder pair for operating two loads independently, from two independent current sources, and using two conductors to connect the current sources and return to the loads, in general, and for expanding automatic sprinkler systems comprising a number of solenoid valves electrically connected to an irrigation controller for the timing and switching thereof, in particular.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: July 14, 1998
    Assignee: RCO Parts, Inc.
    Inventor: Walter J. Edwards
  • Patent number: 5752483
    Abstract: A governor arrangement for an internal combustion engine is disclosed which comprises a plurality of weights rotatable with a rotatable drive shaft and pivotable with respect to the shaft. The weights are engageable with a washer which, in turn, engages a sleeve. The sleeve engages a lever the position of which is used to control the setting of a metering valve. A hydrodynamic bearing arrangement is provided between the sleeve and washer. A drive arrangement may be provided to drive the washer when the rotational speed of the shaft is insufficient to cause the weights to move the sleeve.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: May 19, 1998
    Assignee: Lucas Industries, plc
    Inventors: Adrian Mark Greaney, Daniel Jeremy Hopley, Jack Paine
  • Patent number: 5004981
    Abstract: A sensor for detecting a number of revolutions of a rotary shaft is provided which comprises a ring magnet secured to the outer peripheral surface of the rotary shaft, the number of revolutions of which is to be detected, a Hall IC arranged near the outer peripheral surface of the rotary shaft, for detecting the magnetism of the ring magnet. The ring magnet has one circumferential half of the outer peripheral surface thereof magnetized to serve as the north pole and the other circumferential half of the outer peripheral surface thereof magnetized to serve as the south pole.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: April 2, 1991
    Assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Toru Hashimoto, Masato Takabatake, Masashi Chino, Akira Takahashi
  • Patent number: 4121685
    Abstract: An apparatus for controlling the traveling speed of a motor vehicle with an electric control unit acted upon by a speed dependent signal, which unit compares the actual traveling speed with a predetermined desired traveling speed, and upon a deviation transmits a signal which is dependent on the size of the deviation to a control stage. The control stage comprises a pneumatic actuator which acts on an element, preferably a throttle valve, which influences the ratio of a fuel-air mixture fed to the motor of the vehicle, as well as two electromagnetically actuatable valves coordinated to the actuator, the valves enabling the actuator to be admitted with reduced- and above atmospheric- pressure, respectively, or reduced- and normal pressure, respectively. The control stage includes an electromagnetic system, which system comprises a U-shaped yoke carrying an excitation coil and an armature immerging between the legs of the yoke.
    Type: Grant
    Filed: August 1, 1977
    Date of Patent: October 24, 1978
    Assignee: VDO Adolf Schindling AG
    Inventor: Arnold Mann
  • Patent number: 4110974
    Abstract: An engine speed governor which utilizes the fuel mass itself as a control element, combined with fuel pressure regulation and orifice pressure drop. The fuel is fed through an orifice and then inwardly through radial slots in a shaft rotating at a speed proportional to engine speed, the rotating columns of fuel in these slots being subjected to centrifugal force and opposing external supply pressure. Equilibrium is achieved when the inlet pressure equals the sum of orifice and slot pressure drops. In the illustrated embodiment, fuel pressure is supplied by pressurizing a fuel tank with compressor discharge air, and thus pressurizing fuel in a manner compensating for slightly lower governed speed when fuel demands are higher. The illustrated embodiment also includes multiple speed selection achieved by selectively opening a plurality of bleed orifices leading from the compressor line to the fuel tank.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: September 5, 1978
    Assignee: Williams Research Corporation
    Inventor: Gerald J. Herman
  • Patent number: 4040599
    Abstract: A fluid flow control valve has a bore within which a control member is slidable in response to variations in a servo pressure signal. The control member is also rotatable and includes a relieved portion which co-operates with a control orifice to regulate said servo pressure signal. It is arranged that in a number of discrete rotational positions of the control member the control orifice is shut off to prevent sliding movement, whereby flow through the valve can be set to predetermined levels by rotation of the control element to these positions. In one rotational position all flow is shut off, independent of the sliding position of the control element.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: August 9, 1977
    Assignee: Lucas Industries Limited
    Inventor: Trevor Stanley Smith
  • Patent number: 4039043
    Abstract: An apparatus for controlling the traveling speed of a motor vehicle with an electric control unit acted upon by a speed dependent signal, which unit compares the actual traveling speed with a predetermined desired traveling speed, and upon a deviation transmits a signal, which is dependent on the size of the deviation, to a control stage. The control stage comprises a pneumatic actuator which acts on an element, preferably a throttle valve, which influences the ratio of a fuel-air mixture fed to the motor of the vehicle, as well as two electromagnetically actuatable valves coordinated to the actuator, the valves enabling the actuator to be admitted with reduced- and above atmospheric-pressure, respectively, or normal pressure, respectively. The control stage includes an electromagnetic system having an excitation coil and an armature cooperating therewith.
    Type: Grant
    Filed: March 9, 1976
    Date of Patent: August 2, 1977
    Assignee: VDO Adolf Schindling AG
    Inventors: Arnold Mann, Ludolf Heimbach, Horst Schlick
  • Patent number: 4019685
    Abstract: A mechanical cam-type apparatus is provided for ensuring even application of agricultural products or the like onto a field or the like from a moving vehicle notwithstanding variations from time to time in the ground speed of the vehicle. The apparatus includes a pair of opposed, yieldably biased-together cam members respectively coupled to the vehicle and spreading apparatus and separably rotatable in accordance with vehicle speed and the operational speed of the spreader; the cams are cooperatively configured and mounted for relative shifting movement caused by differences in the respective rotational speeds thereof, and means coupled between the cams and spreader motor is provided for variably operating the latter in response to the extent of cam shifting in order to automatically regulate spreader output in accordance with vehicle speed.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: April 26, 1977
    Assignee: Dempster Industries, Inc.
    Inventors: Lawrence N. Tangeman, Arthur Linsenmeyer
  • Patent number: 3977502
    Abstract: A hydrodynamic drive and slipping clutch arranged in parallel drive relation to provide a controlled slip input drive to a mechanical gear arrangement. The slip speed of the clutch, and therefore the hydrodynamic drive, is controlled by clutch engagement responsive to differential pressure on the clutch. The differential pressure is maintained by controlling fluid flow through a restriction which has a variable opening responsive to a control element which is movable in response to pressure generated by the speed difference between the hydrodynamic drive input and output to establish clutch engagement of sufficient force to maintain a predetermined slip speed in the hydrodynamic drive.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: August 31, 1976
    Assignee: General Motors Corporation
    Inventor: Howard E. Chana