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Class 192/18A - Fluid operator


Subclass of Class 192 - Clutches and power-stop control
No. of patents: 216
Last issue date: 08/30/2011


1            
NumberTitleIssue Date
8006818Transmission arrangement
A transmission arrangement has a transmission housing, an output shaft for driving an implement, a drive component for driving the output shaft, a clutch arranged between the output shaft and the drive component for transmitting a torque, a brake device for braking ...
08/30/2011
7624851Fluid-operable rotary drive clutch
The present invention concerns a rotary drive clutch that is fluid-operable by a piston/cylinder unit rigidly coupled to a clutch shaft and bearing-mounted so as to rotate therewith. ...
12/01/2009
7604104Clutch-brake assembly
A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to mov...
10/20/2009
7367358Medical fluid delivery system and method relating to the same
A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted...
05/06/2008
7369930Method and apparatus to control hydraulic pressure in an electrically variable transmission
A method and apparatus to control an electrically variable transmission, by dynamically controlling system main hydraulic clutch pressures, based upon required clutch capacity, as determined by output load of the transmission. Included is a method to regulate hydrau...
05/06/2008
7364024Apparatus for driving and braking a cutting blade of a lawn mower
An apparatus for driving and braking a cutting blade of a lawn mower is disclosed. The apparatus includes a shaft for rotating the blade, and a pulley driven by the engine. The shaft extends through a housing. The apparatus includes means for biasing the pulley towa...
04/29/2008
7341134Clutch and brake unit
A clutch and/or brake unit is described with at least three components that can rotate relative to each other, each of which is connected, fixed against rotation, with at least one disk. The disks can selectively be brought into frictional engagement, friction locke...
03/11/2008
7320392Shaft coupling unit
A shaft coupling unit is disclosed, which comprises a coupling disk (1), a disk (2), a spring (3), a concave member (4), a convex member (5) and a draw lever (14). The concave member (4) is press fitted against the co...
01/22/2008
7281613Interface disc for a torque and/or rotational control apparatus
A friction disc (16) for a torque and/or rotational control apparatus includes elongated and shortened fins (42, 43) upstanding between and equally circumferentially spaced intermediate first and second component discs (40, 41). The fins (42,...
10/16/2007
7278525Internally and externally splined clutch hub for torque-transmitting mechanisms in a power transmission
A transmission assembly in accordance with the invention includes a plurality of torque-transmitting mechanisms. A hub member of the assembly includes a radially extending wall, and a circumferentially extending wall formed integrally with the radially extending wal...
10/09/2007
7264085Hydraulic passage structure of automatic transmission friction element
A hydraulic passage structure of an automatic transmission having at least one friction element for gearshift, the friction element being comprised of a drum. The hydraulic passage structure includes a housing formed integrally with a midway wall protruding inwardly...
09/04/2007
7249918Cutting machine
Cutting apparatus having a ram axis gear tube (32) equipped with internal threads engageable with external threads (48) of a main shaft (42). A tool can be fixed to the main shaft (42). The external threads (48) of the main shaft (...
07/31/2007
7237661Integral input shaft brake and disconnect apparatus
An input shaft brake and disconnect apparatus is provided in a housing between an engine and a transmission. The disconnect apparatus has a first cavity that receives pressurized fluid causing a piston to shift and disconnect an input shaft from a clutch. Pressurize...
07/03/2007
7225909PTO clutch assembly
The PTO clutch assembly (150) is readily connected to a shaft (218). The clutch assembly includes a hub (152), a piston assembly (168), and one or more friction discs (156, 157) positioned between a backplate (154) and a pre...
06/05/2007
7195578Automatic transmission and gear train
The present invention relates to automatic transmissions. In particular, the instant invention relates to an automatic transmission with improved resistance to deterioration with an increased effective life. The transmission of the instant invention comprises eight ...
03/27/2007
7178656Hydraulic controlled fan clutch with integral cooling
A hydraulically controlled fan drive system (12) having a method of engagement includes a housing assembly (20) containing a hydraulic fluid (48) and an engaging circuit (36). The engaging circuit (36) includes a pitot tube (152...
02/20/2007
7171715Full automatic washing machine and method for controlling the same
Full automatic washing machine, and method for controlling the same, the full automatic washing machine including a spinning tub 2 movably fitted in an outer tub 1, a pulsator 3 rotatably fitted in the spinning tub 2 to be rotatable indep...
02/06/2007
7162853Lawn mower having HST
A lawn mower has driving front wheels and driving rear wheels. The mower includes a mower unit mounted between the front wheels and the rear wheels to be vertically movable, an engine mounted to a front portion of a vehicle body, a transmission case disposed rearwar...
01/16/2007
7159701Automatic drag brake for a power take-off unit output shaft
Improvement in a drag brake assembly for a power take-off unit, for use on trucks and the like, including a first reaction member axially located on an output shaft thereon; a brake disc rotatably affixed to and axially movable on the output shaft; a second reaction...
01/09/2007
7143884Bi-directional clutch unit
A clutch unit has an oil pump which is powered by the input shaft and an oil pump which is powered by the output shaft. The oil pump powered by the input shaft pumps oil in both a clockwise and counterclockwise rotation of the input shaft. The oil flow is controlled...
12/05/2006
7107798Drive mechanism for an automatic washer
A drive mechanism for a vertical axis automatic washer. The washer has a rotatable wash basket, a rotatable agitator concentrically mounted in the wash basket and a drive motor. The drive mechanism includes a first drive shaft driven by the motor at a first rotation...
09/19/2006
7104382Clutch system
A clutch system may include in certain embodiments a clutch body attached to a drive member such as a drive pulley, wherein the clutch body may be removed from the drive member without disassembling the clutch body. In various embodiments, the clutch body may includ...
09/12/2006
7083537Multiple speed automatic transmission for motor vehicle
A multiple speed transmission for a motor vehicle includes a speed reduction gear set driveably connected to an input shaft, a planetary gear set having elements selectively driveably connected to the speed reduction gear set and input shaft, a first clutch and a se...
08/01/2006
7036645Rotating torque-transmitting apparatus
A rotatable torque-transmitting apparatus includes a stationary piston and a rotatable apply plate. The rotatable apply plate is disposed adjacent a rotatable housing and separated therefrom by a return spring assembly which in a preload condition is trapped between...
05/02/2006
7032379Oil supply unit for a running power transmission
There is provided an oil supply unit for a running power transmission of a vehicle. The oil supply unit includes a housing, a hydraulic pump of a variable displacement type, a detecting mechanism and a control mechanism. The detecting mechanism is constructed to mon...
04/25/2006
7028822Integrated actuator assembly
An actuator assembly adapted to selectively cause an input disk of a clutch/brake assembly to engage an output disk of a clutch/brake assembly. The actuator assembly includes a movable piston integrated with the clutch/brake assembly. At least a portion of the clutc...
04/18/2006
7018296Gear drive with integrated torque limiting coupling
A gear drive has a drive housing (1, 2) with a driveshaft (3) exiting the drive housing (1, 2) through a bore (10). The driveshaft 13 is rotatably supported in the drive housing (1, 2) around an axis of rotation X—X. A con...
03/28/2006
7014028Drive device
A drive device comprises a first switchgear (9) and a second switchgear (11) which can be actuated respectively hydraulic pressure in an opening direction and via spring force in a closing direction, and which are provided with a device (26) by ...
03/21/2006
6993991Gear selector device for a motor vehicle
A gear selector device for a transmission of a motor vehicle in which at least one gear wheel 2, 3 and one sliding sleeve 4 are situated upon one transmission shaft 1. For axial displacement of the sliding sleeve 4 upon the transmission s...
02/07/2006
6949854Method and apparatus for a continuously variable-ratio transmission
A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an electronic servo control loop. Wherein torque multiplication is achieved by ...
09/27/2005
6949042Shiftable transmission
A shiftable transmission in which at least two clutches (2, 7) actuated in closing direction by spring force and in opening direction by the exertion of pressure are arranged, wherein output of the transmission is stopped by unpressurized shifting of both act...
09/27/2005
6929105Fully filled wet clutch with hydrodynamic cooling
A fluid clutch includes a housing having an interior that can be filled with fluid, an output element that can be rotated relative to the housing, a first friction surface arrangement coupled to the housing, a second friction surface arrangement coupled to the outpu...
08/16/2005
6907973Method and device for coolant oil feeding to a multiple-disc shifting element of an automatic transmission
A system and method for supplying cooling fluid for frictional elements, for example multiple disc clutches and multiple disc brakes, in automatic transmissions. The cooling fluid flows through the multiple disc clutch or brake in a predefined manner radially inward...
06/21/2005
6886672Power transmitting apparatus for a working vehicle
A power transmitting apparatus comprises a housing having an opening at its end surface in the longitudinal direction thereof to be closed by a cover member (33), which supports an end of a brake support shaft (60) rotatably supporting a brake shoe (
05/03/2005
6814196Friction clutch with separately controllable transmission brake
A friction clutch, particularly for a motor vehicle, including a clutch disk which can be coupled in frictional engagement with the crankshaft of an internal combustion engine and which is connected by a hub to a transmission input shaft so as to be fixed with respe...
11/09/2004
6786313Rotational control apparatus
A rotational control apparatus (10) includes multiple facings (274-276) rotatable with and axially slideable relative to a mount (124) and which sandwich multiple friction plates (252, 253) rotatable with and axially slideable relative to...
09/07/2004
6755289Rotational control apparatus
A rotational control apparatus (10) includes multiple facings (274-276) which sandwich multiple friction plates (252, 253) rotatable with. To create turbulent air flow, the friction plates (252, 253) include an undulating outer circumfere...
06/29/2004
6668992Clutch-brake system and press machine
A clutch-brake system in which at least one of clutch and brake devices has the following structure. A friction plate is mounted on a drive shaft to be synchronously rotatable on the drive shaft, but not to be movable in an axis direction of the drive sha...
12/30/2003
6648114Flex disk brake in a press machine
A brake assembly includes a flex disk brake secured to a brake device of a press clutch-brake combination. A plurality of axially flexible finger elements extends from a peripheral side of the flex disk in a bent or arcuate configuration. The finger eleme...
11/18/2003
6637568Clutch-brake assembly
A clutch-brake assembly is utilized to rotate a shaft and transmit force to retain the shaft against rotation. The clutch-brake assembly includes a wedge member which is disposed in a central opening in a base member. An actuator is operable to move the w...
10/28/2003
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