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| Number | Title | Issue Date |
| 7354119 | Brake system A brake system for a vehicle has a brake pedal and at least one rotational part. The brake system further includes a shaft connectable to the rotational part, and a first fluid control unit configured for being filled with fluid and actuating in response to manipula... | 04/08/2008 |
| 7213691 | Antilock 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 |
| 7100749 | Operating material supply device The invention relates to an operating material supply device for hydrodynamic components, for example, hydrodynamic switching elements for use in starting units, retarder assemblies or gearing assemblies. The material supply device includes an operating material res... | 09/05/2006 |
| 7061149 | Rotary electrical machines An electrical machine, such as an induction motor, comprises a stator having a plurality of conductive windings spaced around an axis of rotation, a rotor rotatable about the axis of rotation in response to the flow of current through the stator windings, and a plur... | 06/13/2006 |
| 7036640 | Brake cooling system and method of cooling brakes in an axle assembly An axle assembly that uses brakes that require cooling includes a brake cooling system that uses at least one hydraulic pump that supplies cooling oil to the brakes. Means for driving of the hydraulic pump using rotation of a component of the axle assembly such as a... | 05/02/2006 |
| 6957872 | Integrated pre-charge for controlled brake systems First and second pumps are integral in that the pumps are driven by a common motor. The first pump is driven in pumping motion by an eccentric disposed on the motor shaft and the second pump is driven in pumping motion by an end of the motor shaft. The first pump ca... | 10/25/2005 |
| 6942071 | Self-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 |
| 6929103 | Self-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 |
| 6923300 | Driveshaft 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 |
| 6609597 | Dampening apparatus A dampening apparatus for dampening an actuating member over a wide array of temperatures. The present invention provides a fluid filled housing having a first chamber, a second chamber, and a passageway therebetween. A first piston is slidably received w... | 08/26/2003 |
| 6068351 | Hydraulic 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 |
| 5664286 | Hinge mechanism for supporting the seat or the seat lid of a toilet bowl A hinge mechanism has a damping mechanism and is capable of removing or reducing to the least extent the damping action of the damping mechanism when opening the seat or the seat lid of a toilet bowl, of securely holding the seat or the seat lid at the op... | 09/09/1997 |
| 5465817 | Hydraulic 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 |
| 5178238 | Hydrostatic braking power converter A braking power converter for trucks, busses, trailers, semitrailers and cars as a long-term brake, with oil as the working fluid and an oil cooler, wherein one or more high-pressure reciprocating pumps, which can control the transporting capacity up to z... | 01/12/1993 |
| 4967444 | Device for damping the closing movement of a dual door spring-loaded or closure and closure control therefor A double-winged door spring is biased for closing with a mechanism for damping of the closure movement and includes a closure sequence control, particularly of a fire-resistant door, in which the damping of the movable door portion is accomplished through... | 11/06/1990 |
| 4819774 | Drive 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 |
| 4753071 | Self-powered rotating-cylinder type linear actuator utilizing rotation-generated centrifugal head for piston positioning Conventional piston-cylinder hydraulic actuators require external pressure sources. The hydraulic actuator disclosed utilizes the centrifugal head developed in its chambers. The piston (36) is attached to shaft extension (24) which is splined to the actua... | 06/28/1988 |
| 4518069 | Adjustable speed drive utilizing radially movable hollow pistons which act on a cam surface An adjustable hydraulic speed drive for controllably maintaining output torque and variable output speed is disclosed. The drive utilizes a rotating group of pistons in radially arranged bores in a portion of an input shaft. A supply of controlled fluid i... | 05/21/1985 |
| 4451094 | Hydraulic trailer brake A hydraulic brake system for ground driven wheels of a trailer includes a rotatable shaft driven by the wheels which in turn drives an axial piston hydraulic pump with a closed loop circuit with pressure control device for controlling the pressure within ... | 05/29/1984 |
| 4444295 | Spring/piston brake device A brake for retarding rotation of a powered shaft in which the shaft includes a crankshaft section having opposed pistons disposed on the crank section, pistons oriented in respective laterally extending cylinders, sections of the cylinder on a side of th... | 04/24/1984 |
| 4416351 | Reel for a life-line The invention relates to a reel for a life-line comprising a frame, a winding member journalled in said frame so as to be rotatable about a rotary axis, damping means connected on the one hand with the frame and on the other hand with the winding member a... | 11/22/1983 |
| 3983966 | Reciprocating brake A brake system comprising in combination a swash plate mounted on a rotating member such as an axle and a lever system connected to the swash plate and adapted to be driven by the swash plate. A caliper holding a piston is positioned adjacent one of the l... | 10/05/1976 |
