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Class 188/294 - With means for regulating movement of element


Subclass of Class 188 - Brakes
Definition: Device provided with means for changing the extent of reciprocation
No. of patents: 46
Last issue date: 06/22/2010


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NumberTitleIssue Date
7740116Device for slowing the movement of a door, drawer or similar movable member, having releasable locking means
A device (15) for slowing the movement of a door (2) urged by unidirectional thrust means (4), including a casing (17) fixable to a structure (S) and defining a chamber (18) filled with a viscous fluid, and a rotor (31). The...
06/22/2010
7296664Rotary damper
A rotary damper includes: a damper body mounted on a rotary shaft; a cam mechanism provided in the damper body to set a rotation pattern of the rotary shaft; a restoring force-accumulating member that accumulates a restoring force in accordance with rotation of the ...
11/20/2007
7278522Controllable motion damper
A controllable motion damper with a damping piston separating two damping chambers from each other in a damping cylinder. A damping valve is disposed in a connecting channel of the two damping chambers with the transmissivity of the damping valve for a damping fluid...
10/09/2007
7258086Four-cylinder, four-cycle, free piston, premixed charge compression ignition, internal combustion reciprocating piston engine with a variable piston stroke
A four-cycle, four-cylinder, premixed charge compression ignition internal combustion reciprocating free piston engine with a variable piston stroke and a compression ratio that varies as needed to provide charge ignition, to offer the potential of higher efficiency...
08/21/2007
7213691Antilock brake system
An antilock brake system for use with a self-energizing brake system having hydraulic interconnected actuators that act on an eccentric rotor and a brake exciter that provides for disengagement of the actuators from the rotor. The antilock brake system has wheel spe...
05/08/2007
7207425Rotary damper
A rotary damper includes a housing; a viscous fluid filled in the housing; a rotor disposed inside the housing and having a shaft part partially protruding from the housing and a resistance part provided on the shaft part for moving in the viscous fluid inside the h...
04/24/2007
7204104Damper of drum type washing machine
A damper includes: a cylinder: a piston rod inserted to be movable linearly in the cylinder; a guide member provided with a coupling hole to which an insertion portion of the rod member is coupled at a center thereof, and provided with first and second grooves at an...
04/17/2007
7156471Two-stage cylinder for applying automatic set and release hand brake
An apparatus engageable with a hand brake assembly for automatically applying at least one brake secured to a railway vehicle. The apparatus comprises an operating mechanism which is a two stage pneumatic cylinder having a primary portion for initial phase of the br...
01/02/2007
7152718Damper
A damper includes a frame, a main gear mounted to the frame for rotation about an axis of rotation, and a spring operably connecting the main gear and the frame such that rotation of the main gear tensions the spring. The main gear has a circumferential recess forme...
12/26/2006
7087091Artificial knee joint having a minimum knee angle
An artificial knee joint includes a knee seat attached to a residual thigh, a support frame attached to a prosthetic lower leg, and a driving member disposed pivotally in a mounting recess in the knee seat. A cushion device is disposed between the knee seat and the ...
08/08/2006
7086441Hydraulic governor device for use with a rotational shaft, and door assembly including the same
A hydraulic governor device for use with a rotational shaft of a door assembly for controlling a rotation of said rotational shaft. The device includes a sleeve; first and second end coverings mounted respectively onto first and second ends of the sleeve so as to de...
08/08/2006
7059454One-way braking device
A one way braking device has a first sealed chamber filled with a viscous fluid, a braking rotor being rotably supported within the chamber, a housing or the braking rotor, respectively, coacting with a pinion which in turn cooperates with a tooth rod or a gear or t...
06/13/2006
7021433Vehicle steering damper, steering damper kit for motorcycle, and motorcycle incorporating same
A steering damper in a motorcycle includes a vane partitioning a chamber in a damper housing into two oil chambers, wherein hydraulic fluid flows between the two chambers to generate attenuating force. The steering damper also includes a damper shaft connected to th...
04/04/2006
7011607Variable magnetic resistance unit for an exercise device
An automatically adjusting magnetic resistance unit for an exercise device such as a bicycle trainer, in which the degree of resistance is automatically and non-linearly adjusted in relation to the rotational speed of a rotating member caused by the input of a user....
03/14/2006
7001434Device for pivotably connecting parts of an orthopaedic device
The invention relates to a device for pivotably connecting parts of an orthopaedic device, such as in particular a prosthetic knee for leg amputees, which device comprises a kinematic multibar mechanism with at least four bars, which bar mechanism allows a movement ...
02/21/2006
6942071Self-energizing brake system
A brake system according to the present invention comprises an eccentric rotor and a brake effecter module. The brake effecter module has a pair of hydraulically interconnected actuators, a brake control valve and a brake exciter. Each of the pair of actuators can e...
09/13/2005
6929103Self-energizing brake system
A braking system comprised of a rotor, a plurality of actuators, a brake control unit and a by-pass valve. When in a brake-on mode of operation, the brake control unit effects braking by restricting the flow of a working fluid that is pumped in and out by each of th...
08/16/2005
6923300Driveshaft brake assembly
A driveline brake assembly for use on trucks as either a primary braking system or a secondary braking system. A camshaft connected to the driveline carries a number of cams thereon. Each cam has associated therewith a pair of pressure glides which ride on the cam f...
08/02/2005
6739607Device for damping pivotal movements of a wheel-supporting pendular arm of a motor vehicle
A device for position and speed-dependent damping of pivotal movements of a wheel-supporting pendular arm of a motor vehicle, includes a housing (16) with a cavity for rotatable support of a swing axle of the pendular arm; a plate pack arranged in the housing...
05/25/2004
6729448Rotary damper
To provide a rotary damper having a compact shape with a short axial length and capable of absorbing an extremely high torque acting temporarily in the case of a door abruptly closing. In a rotary damper (1) in which a rotary member (5) includes: a bas...
05/04/2004
6068351Hydraulic braking axle
In a braking axle driven by a wheel of a trailer vehicle, wherein an axle-driven pumping mechnism is used to pressurize a volume of hydraulic fluid in response to a braking command, the fluid pressure activates a turbine which in turn drives a cooling fan...
05/30/2000
6065817Method and system for controlling a fluid actuated retarder
In one aspect of this invention, a system and process for controlling a fluid actuated retarder is disclosed. This includes an input mechanism and an electronic controller for receiving a signal from the input mechanism, including a value for a desired re...
05/23/2000
5921358Rotation damper in a toggle joint prosthesis
A rotation damper for toggle joints prosthesis (1) that is arranged for swing phase control of the prosthesis, and incorporates a housing having at least one clamber (13) with a damping medium disposed therein is disclosed. The chamber is arranged so that...
07/13/1999
5901821Rotary damper
A rotary damper for stabilizing a temperature characteristic while allowing a leakage of operating oil from a clearance between a basic portion of a rotor and a bearing end on the casing side for supporting said rotor with relative rotational motion betwe...
05/11/1999
5881849Viscous coupling with stepped torque curve
The invention relates to a viscous coupling particularly suitable as a brake for a firebreak door. Outer plates are non-rotatably associated with a housing by means of teeth. Between each two outer plates there is arranged one of two inner plates, which a...
03/16/1999
5828135Railroad car with axle-mounted electrical generator
An electrical generator for mounting on a railroad car axle end which utilizes the rotation of the axle to generate electricity. The generator includes a housing assembly bolted to the end of a railroad car axle, preferably using the bolt holes that are p...
10/27/1998
5566795Braking system for a rail car
A hydraulic braking system for a rail car is provided. The system includes a hydraulic pump or motor adapted to engage a rail car axle or wheel. When rotating, the axle or wheel drives the hydraulic pump causing a hydraulic fluid to circulate. By restrict...
10/22/1996
5558187Brake apparatus for a rotating shaft
A brake apparatus for a rotating shaft. The apparatus comprises a fluid-tight housing in which is disposed a shaft rotational engagement gear having an exteriorly-accessible portion thereof rotatably engageable with a shaft. A plurality of compartments ar...
09/24/1996
5465817Hydraulic brake pump with eccentric cam and reciprocating piston
A hydraulic brake coupled to a rotary shaft including a hydraulic pump connected to the shaft, the pump having a pump inlet, and a pump outlet, a hydraulic loop having an inlet part connected to the pump outlet and an outlet part connected to the pump inl...
11/14/1995
5456340Control for vehicular transmission retarders
A retarder control embodying the concepts of the present invention utilizes a spool valve having a spool valve member axially translatable between an on- and an off-position. A spring is employed to bias the spool valve member toward its off-position. A t...
10/10/1995
5415254Panning braking device for tripod head
A tripod head comprises a panning braking device having a plurality of braking units with different braking forces which is supported on a panning shaft, and a torque switchover mechanism allowing to freely switch over torque on the side of said braking u...
05/16/1995
5325944Apparatus and method for braking a vehicle
A system for effecting the braking of a vehicle. The system is intended to be used with a vehicle which has an axle coaxial with a wheel engaging the surface over which the vehicle travels and which is rotatable with that wheel. The braking system include...
07/05/1994
5090523Hydrodynamic retarder
The invention concerns a hydrodynamic retarder with a cooling circuit for the working fluid, which cooling circuit is divided into two partial flows of different cross sectional areas, between the outlet and inlet to the retarder, wherein both partial flo...
02/25/1992
5007509Brake 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
5000300Hydraulic retarder and control
A hydraulic retarder and control composed of an accumulator, for rapid filling of the retarder; a pulse valve, for controlling fluid flow to and from the accumulator; a regulator valve, for limiting the inlet pressure to the retarder; and a pair of check ...
03/19/1991
4982819Hydrodynamic retarder
A hydrodynamic retarder suitable for use as a supplementary brake on trucks consists of a rotor wheel 20 fixed to an output shaft and a stator wheel 21. Movable blades 24 are attached to edges of blades 30 of the stator wheel 21 facing toward the rotor wh...
01/08/1991
4981198Hydraulic retarder and control
A hydraulic retarder has a control valve mechanism with a regulator valve for controlling the pressure of the fluid delivered to the retarder as a function of operator demand and an operating parameter of the retarder. The regulator valve has an opening p...
01/01/1991
4819774Drive arrangement for commercial motor vehicles
A drive arrangement for a commercial motor vehicle has a variable-speed transmission in which a brake is provided. The brake is formed as a radial-piston pump in which the piston under the control of the control pressure can be selectively coupled with a ...
04/11/1989
4744443Hydrodynamic retarder
A hydrodynamic retarder is revealed having a rotor blade wheel and a stator blade wheel each with two different types of blading, i.e. an inner blading enclosed by an outer blading. The two blade rings are provided with blades inclined in opposite directi...
05/17/1988
4715481Hydrodynamic 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
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