Class 188/291 - Including clutch

Subclass of Class 188 - Brakes
Definition: Device provided with a clutch that connects and disconnects
No. of patents: 39
Last issue date: 09/04/2007

Number	Title	Issue Date
7264096	Rotary damper A rotary damper includes a driven rotary member having a driven rotary part for engaging a driving member, and a stationary support member for rotatably supporting the driven rotary member. A housing is disposed between the stationary support member and the driven r...	09/04/2007
7240398	Opening and closing damping apparatus An annular groove part with a predetermined depth is formed in a rotation body, and a wall surface of the annular groove part is sealed by a second protrusion elongated annular part formed in an inner circumference of a rotor attached to the annular groove part, and...	07/10/2007
7093784	Universal shift apparatus and method for swimming pool cover assembly A universal shift apparatus and method for a swimming pool cover motor has a rotatable drive shaft and a rope attached to the end of the swimming pool cover. A reel element collects the rope, and a roll-up element collects the swimming pool cover. A gear drive assem...	08/22/2006
6968929	Damper A gear damper has a fixed first part and a second part rotatable relative thereto, with a gear formed on the second part. A continuous annular seal is provided between the first and second parts, and a substantially continuous layer of damping fluid is provided betw...	11/29/2005
6922869	Damper apparatus A damper apparatus is disclosed for damping movement between a first and a second element. The apparatus includes an elongate housing secured to the first element, the housing having a first and a second end. The housing defines a bore which extends between the ends...	08/02/2005
6729447	Rotational speed controller The provision of a rotational speed controller which is capable of increasing braking torque without a corresponding increase in size, and easily outputting braking torque assumed in the design, and minimizing variations in the braking torque. A casing 6 inco...	05/04/2004
6695103	Spring barrel module The invention concerns a spring barrel module having two chambers. A spring is located in the first chamber and a damper in the second chamber. The unidirectional damper is implemented by a clutch means that connects the damper plate to the spring shaft w...	02/24/2004
6637567	Free run clutch apparatus A free run clutch apparatus is disclosed for damping movement of a device mechanically connected to the apparatus. The apparatus includes a housing which defines an enclosure and a rotor rotatably located within the enclosure, the rotor defining a cavity....	10/28/2003
6159123	Gearbox with retarder The invention concerns a vehicle transmission for commercial vehicles having an additional continuous braking device wherein the additional continuous braking device, in addition to braking, is provided as a startup retarder (2) to start the vehicle....	12/12/2000
6121526	Rotary damper A rotary damper has a shaft and a torque control mechanism which are accommodated in a chamber filled with a viscous fluid. The chamber is divided into a first compartment and a second compartment. The torque control mechanism comprises an auxiliary chamb...	09/19/2000
5482148	System for transmission overspeed and horsepower limit protection The present invention is directed to a retarder control system for protection against transmission overspeed. The system operates in conjunction with a rotatable input member and an output member that is rotatable relative to the input member. A torque tr...	01/09/1996
5460252	One-way rotary damper A one-way rotary damper comprising a housing, a rotor consisting of a braking disk accommodated in a cavity of the housing and a shaft unitary with the braking disk and projecting toward the outside of the housing, viscous oil filling the housing cavity f...	10/24/1995
5358081	Hydraulic retarder control system The hydraulic retarder control system comprises pressure reducing valves which can switch the pressure of the air to be supplied from a pressure air source 4 to an air/liquid conversion device 25 at least to a low pressure, an intermediate pressure and a ...	10/25/1994
5335563	Foot-operated parking brakes for cars and one-way dampers for use therein A one-way damper comprising, one forming member for forming an accommodating chamber, other forming member disposed opposite to the one forming member such that the one and other forming members form the accommodating chamber therebetween and the other fo...	08/09/1994
5257852	Damper device for an automatic folding chair A damper device for an automatic folding chair enables the seat of the chair to be turned downward to a ready-for use position without being subjected to any braking force when it is lightly pushed down. When the use leaves the seat in the ready-for-use p...	11/02/1993
5211269	Damper for a flapdoor using viscous fluid A damper for a flapdoor that does not show any damping effect when its movable shaft of the damper is rotated with the door in one sense whereas it effectively damps the rotary movement of the flapdoor when the movable shaft is rotated with the door in th...	05/18/1993
5170867	Pedal parking brake Pedal parking brake. This device is provided with a supporting shaft fixed to the side of a car body, a rotary body attached to another end of the supporting shaft, a damper case interposed between the supporting shaft and the rotary body, a lock spring l...	12/15/1992
5165507	Damper for a flapdoor using viscous fluid According to the invention, there is provided a damper for a flapdoor that does not show any damping effect when its movable shaft of the damper is rotated with the door in one sense whereas it effectively damps the rotary movement of the flapdoor when th...	11/24/1992
5078238	Brake system The brake system comprises a shaft interposed between two propeller shaft segments via universal joints, a radial compressor selectively connected with the shaft, a casing for housing the radial compressor and the shaft with the universal joints being out...	01/07/1992
5031738	Motor vehicle brake system A differential includes a planet gear through which two shafts coupled to laterally spaced road wheels of a motor vehicle are interconnected. The planet gear has a rotatable shaft with a brake mechanism coupled thereto. A braking force produced by the bra...	07/16/1991
5007509	Brake system A brake system comprises an impeller selectively connected to a propeller shaft of a vehicle for consuming energy of the engine and applying a brake force to the propeller shaft, an impeller housing for rotatably housing the impeller and defining an air p...	04/16/1991
4994003	Apparatus using aerodynamic rotors for exerting a braking torque upon a rotating shaft A device for providing a variable retarding torque upon a rotating shaft includes an aerodynamic rotor and control means which is responsive to independent and external signals to continuously vary the ratio of the speed of the aerodynamic rotor as compar...	02/19/1991
4946014	Retarder A retarder adapted for use on a vehicle comprises: a blower connected to a crankshaft of the vehicle; a clutch provided between the blower and the crankshaft for selectively disconnecting the blower from the crankshaft; a speed change mechanism including ...	08/07/1990
4846316	Hydraulic retarder attached with parking brake A hydraulic retarder and brake unit mounted on a rotating vehicle drive shaft has a first rotatable member forming a brake drum and mounted on the drive shaft for rotation therewith. A non-rotatable member supports brake shoes movable into frictional enga...	07/11/1989
4830151	Damper comprising rotor shaft and gear sleeve having equal external diameter portions with clutch spring wound thereabout A damper for damping rotation has a construction in which a rotor having a braking plate immersed in oil disposed within a casing and a gear are coupled together by a means of a clutch spring in the form of a coil spring. When the gear is rotated in one d...	05/16/1989
4828079	Hydraulic retarder with parking brake For the improvement in the hydraulic retarder comprising a fixed member (1) of vehicle, a shaft (2), a housing (4), a vane chamber (3), a plurality of stator vanes (5) and a plurality of rotor vanes (7), a drum-like member (10), a plurality of clutch pist...	05/09/1989
4827798	Apparatus and method for exerting a braking torque upon a vehicle A device for providing a retarding force against the motion of a vehicle, which device does not intrude upon the engine, is not dependent upon the gear selected, and does not exhibit fade or skid characteristics. A torque limit clutch engages a ground eng...	05/09/1989
4796733	Oil damper An oil damper is disclosed which comprises a cylindrical case open at one end and having a first engagement section formed upon the inner periphery thereof, an intermediate rotor having an inner cylinder and an outer cylinder, these cylinders being coaxia...	01/10/1989
4760901	Hydraulic braking system particularly useful in human powered vehicles A hydraulic braking system for braking a driven device, particularly a human powered vehicle, comprises a hydraulic pump, a clutch coupling the hydraulic pump to the driven device when the clutch is actuated, a hydraulic circuit for a liquid including a f...	08/02/1988
4715481	Hydrodynamic retarder The invention relates to a hydrodynamic retarder having two independent operating circuits. Opposite a double rotor on the one hand is a stator fixed to a housing, and the rows of vanes concerned are inclined. The other half of the rotor forms with a rota...	12/29/1987
4697673	One-way damper A one-way damper has a rotor which is provided with a braking disc at one of its ends. The braking disc is received in a housing of the damper and the housing is filled with oil. The other end of the rotor extends outward from the housing and has a gear l...	10/06/1987
4574423	Rotary damper having a clutch spring and viscous fluid A rotary damper with a directional property is disclosed which is capable of being simplified in structure, manufactured with a low cost, and stably and precisely operated. The rotary damper is constructed in such a manner that a clutch spring is interpos...	03/11/1986
4350472	Electric fan apparatus The present application discloses an electric fan apparatus comprising a fan, a wind direction shifting plate disposed in front of said fan and adapted to be rotated by the pressure of a wind generated by said fan, a rotary shaft disposed at the center of...	09/21/1982
4324387	Power delivery system having a pressure modulated hydrodynamic retarder for controlling a load A pressure modulated hydrodynamic retarder is provided for a power delivery system and speed sensing means is provided for sensing the rotational speed of the output of the retarder for producing a corresponding pressure fluid flow which acts to vary the ...	04/13/1982
4191096	Time delay assembly A time delay device for delaying movement in one direction and permitting relatively free movement in the opposite direction wherein alternate plate members and wall members in a housing are coated with a viscous grease and the plate members are rotated t...	03/04/1980
4117677	Stator for a torque converter The stator assembly of a torque converter includes a stator wheel, a one-way brake for connecting the stator wheel to a stator shaft, a thrust washer provided on each side of the one-way brake and a pair of snap rings fixed to the stator wheel for locatin...	10/03/1978
4069545	Door control device with closure regulator A device for controlling the opening and closing movement of a duct seal door of an automatic ice maker which requires a regulator for slowing down the closing of the door. The movement of the door about its rotational axis is transmitted via connecting l...	01/24/1978
4018423	Emergency descent device A descent device is provided for emergency descent from tall structures and for lowering objects from high elevations such as a hovering helicopter. The device includes a rotating spool having a cable wound thereon for descent and a rotation-retarding van...	04/19/1977
3946989	Slow descender including fluid and mechanical braking devices A slow descender includes a rope pulley and a braking apparatus which restricts the rotation speed of the rope pulley. The braking apparatus includes a mechanical braking device containing a centrifugal brake which has centrifugal weights, a V-shaped lini...	03/30/1976

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Class 188/291 - Including clutch