Patents Represented by Attorney, Agent or Law Firm Loren H. Uthoff, Jr.
  • Patent number: 7288139
    Abstract: An apparatus separates liquid, gas and solid components of a mixture in a fluid system. An inlet for receiving the mixture opens into a separation chamber tangentially with a cylindrical side wall and a gas outlet has an opening in a first end wall adjacent the inlet to allow gas to exit the separator. A fluid outlet is located in an opposing second end wall. A debris passage extends through the cylindrical side wall and oriented so that the radial velocity of the particles within the separation chamber directs the particles through the debris passage. The debris passage leads to a particle collection chamber in which the particles accumulate. Unlike prior separators that relied on the tangential velocity of the particles, the present apparatus utilizes the greater radial velocity to drive the particles from the separation chamber into the particle collection chamber.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: October 30, 2007
    Assignee: Eaton Corporation
    Inventor: Stephen Showalter
  • Patent number: 6769720
    Abstract: A coupling assembly includes a female member having a receiving end with an axially extending passageway and inwardly facing groove extending outwardly from said passageway in a position spaced from the receiving end. A split metal locking ring is positioned in the groove. A male member is sized to be received in said receiving end and includes a rib having a ramp where the ramp in a first embodiment curves outwardly to an apex and in a first alternate embodiment curves outwardly to a flat and in a second alternate embodiment increases in height in a linear fashion until a relatively short distance from the flat where it curves outwardly to meet the flat, the rib also has a shoulder tapering away from the forward end and inwardly toward the axis.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: August 3, 2004
    Assignee: Eaton Corporation
    Inventors: Jason W. Dahms, Loren H. Uthoff, Jr.
  • Patent number: 6675943
    Abstract: An improved lubrication system for a ball ramp master clutch and a gear change transmission is disclosed where a lubricant pump is driven by the input shaft to a ball ramp mechanism which, when energized, applies a clamping force on a clutch pack where lubricant is supplied to the pump from a wet sump on the transmission and then lubricant is forced into the clutch assembly and also forced into the gear shaft transmission for eventual return into the sump for recirculation. In an alternate embodiment, a dry sump system is used where the oil flowing out of the transmission is pumped to dry sump where it is then recirculated to the pump.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: January 13, 2004
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: 6666315
    Abstract: A driveline master clutch assembly is disclosed where a unidirectional ball ramp mechanism is used to apply a clamping load to a clutch pack for frictionally coupling a prime mover such as an engine to a gear change transmission. The ball ramp mechanism includes index plates to limit the rotation of a control ring and an activation ring such that the energized ball ramp mechanism increases in separation distance to increase the clamping force on the clutch pack whenever there is slippage in the clutch pack irregardless of the direction of torque flow through the master clutch assembly.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: December 23, 2003
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: 6666313
    Abstract: A dual mass flywheel and clutch system for minimizing torsional vibration levels during engine start-up and during low speed engine operation where the rotational moment of inertia of a clutch input assembly is minimized to raise the torsional natural frequency of the dual mass clutch system above the engine firing frequency when the clutch is disengaged to reduce the level of torsional vibration during engine start-up. After engine start-up, the dual mass clutch system is engaged and the torsional natural frequency of the clutch system returns to a lower frequency due to the rotation of the clutch output assembly thereby effectively reducing the torsional vibration levels in the vehicle driveline in a normal manner.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: December 23, 2003
    Assignee: Eaton Corporation
    Inventors: Daniel V. Gochenour, Michael L. Bassett, Kevin F. Schlosser, Mark L. Beakas
  • Patent number: 6637569
    Abstract: A ball ramp mechanism is used to apply an axial force in the same regardless of the direction of the flow of torque whenever there is relative rotation between an input shaft and an output hub using unidirectional grooves in both a control ring and an activation ring where a first index plate limits the rotation of the activation ring and a second index plate limits the rotation of the control ring relative to the input shaft. An electrical coil is used to induce a magnetic field in a coil pole to magnetically couple a coil armature to an intermediate plate and the intermediate plate to an activation plate to energize the ball ramp mechanism.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: October 28, 2003
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: 6561332
    Abstract: A ball ramp mechanism is used to apply a clamping load to a clutch pack to rotationally couple an input shaft to an output shaft. The ball ramp mechanism is comprised of a control plate having a control extension radially extending therefrom and an activation plate having an activation extension radially extending therefrom and an intermediate plate disposed between the control extension and the activation extension where the control extension and the activation extension and the intermediate plate are frictionally rotationally coupled upon application of an electromagnetic field generated by a stationary coil acting through a rotating coil armature to activate the ball ramp mechanism. A gap sleeve contacts the control plate and the activation extension to limit the separation between the control extension, the intermediate plate and the activation extension.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: May 13, 2003
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: 6487758
    Abstract: A polypropylene closure arrangement for flexible packages comprises a blend having a polypropylene random copolymer as a base resin with a flexible modifier, and a slip component. The polypropylene closure arrangement 10, 110 is sufficiently flexible to be extruded and coiled around guide wheels similar to the fusion process of a polyethylene closure arrangement. The polypropylene closure arrangement in accordance with the present invention has the ability to be fusibly attached to a polypropylene film or other fusibly compatible thermoplastic material launch conditions.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: December 3, 2002
    Assignee: Eaton Corporation
    Inventors: Gregory Richard Shaffer, Charles Stempka, Lisa Mae Harris
  • Patent number: 6487898
    Abstract: Transducer housing for mounting in a port in an engine combustion chamber has a metal diaphragm exposed to the combustion gasses. The pressure of the combustion gasses is transferred through an aluminum coupling disc which deflects a simply supported beam member. The beam member is formed of refractory material having epitaxially grown crystalline piezoresistors formed on one surface of the beam member and connected in a bridge circuit and is secured to a ceramic mounting disc. The aluminum coupling disc has a relatively high coefficient of thermal expansion which maintains a preload on the beam member for improved accuracy in spite of the low thermal expansion of the ceramic mounting disc. In an alternate embodiment, an expansion ring made of a material having a relatively high coefficient of thermal expansion is used to support a mounting disc on which the beam member is supported.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: December 3, 2002
    Assignee: Eaton Corporation
    Inventors: Donald R. Haefner, Dennis R. Zitny, David A. Belfi
  • Patent number: 6443284
    Abstract: Disclosed herein is an apparatus and system for isolating torsional vibrations in a driveline having a friction torque device and a ratio-change transmission. The friction torque device includes a driven member having radially extending projections for coupling the friction torque device to a shaft. The apparatus comprises a rotatably supported input shaft having a first end, a second end and an inner bore. A plurality of projections are disposed adjacent to the first end of the input shaft for engaging the radially extending projections of a driven member. The apparatus further comprises a torsion bar having a torsional spring rate, where the torsion bar is at least partially disposed within the bore of the input shaft. The torsion bar has a first end and a second end, the second end of the torsion bar is coupled to the input shaft.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: September 3, 2002
    Assignee: Eaton Corporation
    Inventor: Dale A. Stretch
  • Patent number: 6374944
    Abstract: Disclosed herein is a silencer for reducing acoustic energy in a flow of exhaust gas from a combustion power source which prevents rain or snow from entering an exhaust stack without the need for a weather cap or hood. The silencer achieves acoustic energy attenuation and precipitation diversion with a minimal increase in backpressure. The silencer comprises a chamber at least partially defined by a chamber wall in communication with an inlet port for introducing exhaust gas into the chamber and an exhaust port for exiting exhaust gases from the chamber. The inlet port may be in communication with an inlet collar for attachment to an exhaust stack. A housing at least partially surrounds the chamber wall to form at least one cavity between the chamber wall and the housing where acoustic absorbing material is disposed. A deflector is at least partially disposed within the chamber having a gallery portion in communication with the channel.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: April 23, 2002
    Assignee: Eaton Corporation
    Inventor: Bruce Lawrence Curl, Jr.
  • Patent number: 6325193
    Abstract: A friction clutch for a motor vehicle with an automatic adjustment mechanism with a rotating cam includes an adjustment limiting mechanism. The second annular cam has a cam lock engagement surface extending radially inwardly of the cam surfaces. The cam lock engagement surface faces the pressure plate and concentric with an axis of rotation. A guide pin is fixed in the pressure plate and axially extends from the pressure plate on a side opposite the frictional engagement surface. A cam lock has a radially extending cam lock flange. The cam lock flange is axially disposed between the pressure plate and the cam lock engagement surface. The cam lock flange defines a flange engagement surface facing and complementary to the cam lock engagement surface. The cam lock has an aperture therein which slidably receives the guide pin. A bias spring engages the cam lock and biases the cam lock away from the pressure plate.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: December 4, 2001
    Assignee: Eaton Corporation
    Inventor: Daniel V. Gochenour
  • Patent number: 6128959
    Abstract: A diagnostic driveline vibration analyzing tool for measuring and characterizing the torsional vibrations in a vehicle driveline. An electronic control unit and sensor cooperate to measure speed fluctuations occurring between the passing of adjacent teeth of a rotating gear. These time measurements are the basis for displacement, velocity and acceleration calculations which, combined with driveshaft rotational order information, can be used to pinpoint the source of excessive driveline torsional vibrations.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: October 10, 2000
    Assignee: Eaton Corporation
    Inventors: Kevin M. McGovern, John J. Bair, Anthony N. West, David S. Totten, David W. Malaney
  • Patent number: 6082504
    Abstract: A friction brake assembly for applying a braking torque to a rotating shaft such as a transmission output shaft utilizing a primary ball ramp mechanism having a control ring and activation ring with opposed variable depth grooves and rolling members disposed therebetween to load a friction brake in response to a secondary ball ramp mechanism which creates a braking torque on the control ring to activate the primary ball ramp mechanism in response to the rotation of a control lever. Rolling members disposed in opposed variable depth grooves formed in the control lever and a control plate force the control plate towards a housing extension thereby applying a friction force to a clamp ring where the clamp ring is connected to the control ring of the primary ball ramp mechanism using a flex extension to allow relative axial movement between the clamp ring and the control ring. In this manner, the friction brake assembly of the present invention can function as a vehicle parking brake.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: July 4, 2000
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: 6039014
    Abstract: A system for actuating an engine valve includes a linear machine having a coaxially aligned field assembly and armature assembly. In one embodiment, the field assembly reciprocates relative to the armature assembly to actuate the valve. One configuration has a field assembly with a number of axially oriented annular permanent magnets separated by a ferromagnetic material and mounted on a non-magnetic shaft. The ferromagnetic material is preferably a compressed powdered metal which is microencapsulated with insulating material to reduce the formation of eddy currents. The preferred construction provides a reluctance force which helps maintain the valve in an open or closed state without any current applied to the armature. The system may also include an inductor and/or a capacitor tuned to the natural frequency chosen to provide regenerative actuation at a predetermined natural frequency.
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: March 21, 2000
    Assignee: Eaton Corporation
    Inventor: Lyle O. Hoppie
  • Patent number: 6039163
    Abstract: A method of balancing a clutch disc using one or more balancing weights inserted into balancing voids formed in the clutch disc carrier plate which are trapped between the friction facings. A first method involves determining the imbalance of the complete clutch disc assembly and then partially removing a friction facing so that a balancing weight can be inserted into a balancing void formed in the carrier plate. In a second method, the imbalance of the carrier plate and friction facings are separately measured prior to assembly. The most favorable rotational orientation is determined and then the number, size and location of one or more balance weights are determined and the balance weights are inserted into the balance voids. The friction facings are then assembled to the carrier plate thereby trapping the balance weights in position.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: March 21, 2000
    Assignee: Eaton Corporation
    Inventors: Michael L. Bassett, Gregory W. Batterton, Andrzej P. Szadkowski
  • Patent number: 6013959
    Abstract: A lamination structure for an electromagnetic device such as a linear machine having a coaxially aligned field assembly and armature assembly. In one embodiment, the field assembly reciprocates relative to the armature assembly to actuate the valve. One configuration has a field assembly with a number of axially oriented annular permanent magnets separated by a ferromagnetic material comprised of a stack of relatively thin ferromagnetic discs which are oriented such that the geometric planes of the discs are generally perpendicular to the working magnetic field and mounted on a non-magnetic shaft. The discs are sized to optimize the conduction of the working magnetic flux while minimizing eddy currents. The housing for the device is comprised of a plurality of tubular laminations. The preferred construction provides a reluctance force which helps maintain the valve in an open or closed state without any current applied to the device.
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: January 11, 2000
    Assignee: Eaton Corporation
    Inventor: Lyle O. Hoppie
  • Patent number: 5964330
    Abstract: A vehicle driveline clutch using a ball ramp actuator supplying a clamping force on a clutch disc in response to an electromagnetic field where the clutch clamping force is maintained and increased with clutch slip using a plurality of one-way clutches acting in a pair of planetary gearsets with a one-way clutch acting on each planet gear and supported on a carrier ring which is frictionally connected to a ball ramp control ring upon energization by a clutch coupling with an electrical coil thereby creating relative rotational motion between the control ring and an actuation ring causing a plurality of rotational elements to travel along identical opposed variable depth ramps thereby creating an axial separation force between the control ring and the actuation ring generating the clamping force on the clutch disc.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: October 12, 1999
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: 5960916
    Abstract: A clutch assembly using a ball ramp actuator supplying a clamping force on a clutch disc in response to an electromagnetic field where the clutch clamping force is maintained and increased with clutch slip using a ball ramp mechanism having a control ring and an actuation ring. A bias spring acting to maintain contact between a clutch member and the coil plate of the control clutch. Activated by a control clutch having a response to electrical current introduced into a coil thereby creating an electromagnetic field in a coil pole which attracts a coil plate which in turn applies a cone clutch thereby introducing a rotational torque on the control ring to activate the ball ramp mechanism. The bias spring is used to force the clutch plate toward the coil pole thereby minimizing the air gap between the clutch plate and coil pole thereby providing a more controllable engagement of the clutch assembly.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: October 5, 1999
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston
  • Patent number: RE36502
    Abstract: A first ball ramp actuator having a control ring acting with an activation ring to supply an axial clutch clamping force in a vehicle driving mode and a second ball ramp actuator using the control ring acting with a clutch pressure plate to supply an axial clutch clamping force in a vehicle coast mode where one side of a one-way clutch is attached to the control ring and another side is attached to a support bracket that is frictionally coupled to a transmission input shaft to maintain an energized rotational relationship with the activation ring when in the coast mode.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: January 18, 2000
    Assignee: Eaton Corporation
    Inventors: Gregory J. Organek, David M. Preston, David A. Janson