Patents by Inventor Peter H. Weismann

Peter H. Weismann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5908366
    Abstract: A drive train for a four wheel drive vehicle including an engine and a clutch directing power through a high/low transmission to a six speed transmission located adjacent to and parallel with the engine in an expanded engine sump case. A constant velocity joint is driven from one end of the transmission output shaft for driving a rear differential associated with an independent rear suspension. From the other end of the transmission output shaft, a fluid coupling is employed to selectively engage a front differential. The front differential drives gear wheels to engage back to back constant velocity joints which are located lower than the differential rotational axis to advantage the suspension configuration.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: June 1, 1999
    Inventors: Christopher A. Weismann, Patrick L. Weismann, Peter H. Weismann, deceased, by Michele R. Weismann, executrix
  • Patent number: 5301565
    Abstract: A transmission having engagement mechanisms which employ an engagement inner having cam surfaces forming the race thereof, an engagement outer having a circular outer race and rollers therebetween. A cage mechanism angularly positions the rollers such that they may be wedged between the cam surfaces and the outer race so as to interlock the engagement inner and outer. Actuator mechanisms are employed which are axially movable to engage and angularly position the cages relative to the engagement inner for controlling the engagement mechanism. A plurality of control systems both electronic and mechanical control the operation of the engagement mechanism so as to require substantially synchronous movement between engaging elements. Alternately, nonsynchronous shifting may be accomplished under power for power or rapid shifting. Clutch inhibit may also be employed to prevent premature reengagement of the clutch before shift complete.
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: April 12, 1994
    Inventors: Peter H. Weismann, Patrick L. Weismann
  • Patent number: 5131285
    Abstract: A transmission having engagement mechanisms which employ an engagement inner having cam surfaces forming the race thereof, an engagement outer having a circular outer race and rollers therebetween. A cage mechanism angularly positions the rollers such that they may be wedged between the cam surfaces and the outer race so as to interlock the engagement inner and outer. Actuator mechanisms are employed which are axially movable to engage and angularly position the cages relative to the engagement inner for controlling the engagement mechanism. A plurality of control systems both electronic and mechanical control the operation of the engagement mechanism so as to require substantially synchronous movement between engaging elements. Alternately, nonsynchronous shifting may be accomplished under power for power or rapid shifting. Clutch inhibit may also be employed to prevent premature reengagement of the clutch before shift complete.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: July 21, 1992
    Inventors: Peter H. Weismann, Patrick L. Weismann
  • Patent number: 4987790
    Abstract: A transmission having engagement mechanisms which employ an engagement inner having cam surfaces forming the race thereof, an engagement outer having a circular outer race and rollers therebetween. A cage mechanism angularly positions the rollers such that they may be wedged between the cam surfaces and the outer race so as to interlock the engagement inner and outer. Actuator mechanisms are employed which are axially movable to engage and angularly position the cages relative to the engagement inner for controlling the engagement mechanism. A plurality of control systems both electronic and mechanical control the operation of the engagement mechanism so as to require substantially synchronous movement between engaging elements. Alternately, nonsynchronous shifting may be accomplished under power for power or rapid shifting.
    Type: Grant
    Filed: April 4, 1989
    Date of Patent: January 29, 1991
    Inventor: Peter H. Weismann
  • Patent number: 4817451
    Abstract: A transmission having engagement mechanisms which employ an engagement inner having cam surfaces forming the race thereof, an engagement outer having a circular outer race and rollers therebetween. A cage mechanism angularly positions the rollers such that they may be wedged between the cam surfaces and the outer face so as to interlock the engagement inner and outer. Actuator mechanisms are employed which are axially movable to engage and angularly position the cages relative to the engagement inner for controlling the engagement mechanism. A plurality of control systems both electronic and mechanical control the operation of the engagement mechanism so as to require substantially synchronous movement between engaging elements.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: April 4, 1989
    Inventor: Peter H. Weismann
  • Patent number: 4775342
    Abstract: A drive mechanism for a boat having the motor located inboard. The mechanism disclosed includes a gearbox located outboard of the transom with an input shaft extending toward the inboard motor and an output shaft extending aft toward a propeller shaft. A univerasl joint coupling is provided to drive the propeller shaft while a gimbal ring is employed to universally mount a propeller shaft housing such that the propeller may be used for steerage as well as forward thrust. The gearbox is disclosed as including a first gear pair capable of being changed to provide different output ratios. A second drive link in the gearbox gives a selection of directions of rotation of the propeller shaft. In a first instance, a gear pair is employed. In a second instance, a chain drive is employed. Access is provided into the gearbox by a plate located between the gearbox and the transom. This plate provides a mounting for the drive links within the gearbox.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: October 4, 1988
    Assignee: Kaama Marine Engineering, Inc.
    Inventors: John A. Connor, Peter H. Weismann
  • Patent number: 4728308
    Abstract: A drive mechanism for power boats having an inboard motor and a stern drive propeller mounting. The device includes a gimbaled propeller shaft housing located outboard of the transom. A gear pair mounted within the propeller shaft housing provides a lower propeller shaft relative to the hull of the boat without requiring a greater propeller shaft angle relative to the hull and without requiring a lowered inboard motor position.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: March 1, 1988
    Assignee: Kaama Marine Engineering, Inc.
    Inventor: Peter H. Weismann
  • Patent number: 4601359
    Abstract: A dual bevel gear differential transaxle assembly for a front transverse engine vehicle with front and rear pairs of road wheels providing a part time on-demand four-wheel drive system. Interaxle and front wheel bevel gear differentials are aligned on a transverse axis. The differentials are connected by a side gear shaft and inner and outer side gear sleeves concentric about the side gear shaft. The interaxle differential achieves front axle to rear axle differentiation while the front wheel differential provides differentiation for the front pair of road wheels. The dual differential transaxle assembly includes viscous fluid clutch means providing an automatic limited slip condition of the interaxle differential when there is a predetermined difference in speed or rpm between the front and rear pair of road wheels.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: July 22, 1986
    Assignee: Chrysler Corporation
    Inventors: Peter H. Weismann, Dugald Cameron, Richard E. Eastman
  • Patent number: 4582160
    Abstract: A dual bevel gear differential transaxle assembly for a front transverse engine vehicle with front and rear pairs of road wheels providing a constant four wheel drive system. A first interaxle bevel gear differential and a second front wheel bevel gear differential are aligned on a transverse axis. The differentials are connected by a side gear shaft and inner and outer side gear sleeves concentric about the side gear shaft. The first differential achieves front axle to rear axle differentiation while the second differential provides differentiation for the front pair of road wheels. The dual differential transaxle assembly includes clutch means providing selective lock-out of the first differential. With the clutch means disengaged the first differential is in its unlocked mode whereby the transaxle assembly provides differentiation between the front and rear axles.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: April 15, 1986
    Assignee: Chrysler Corporation
    Inventors: Peter H. Weismann, Dugald Cameron