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Class 188/264P - With pump


Subclass of Class 188 - Brakes
No. of patents: 44
Last issue date: 04/07/2009


1    
NumberTitleIssue Date
7513343Method and circuit for controlling the flow rate of the hydraulic oil in the brake cooling system of a vehicle
A method and circuit is provided for controlling the flow rate of the hydraulic oil in the brake cooling system of a vehicle, that basically consists of the following steps: delivery of the hydraulic oil to a proportioning valve (VP) at a constant flow rate; control...
04/07/2009
7353920Fluid cooled brake housing
A housing (10) for a braking system (56) comprises a casing (12) defining a cavity (14) for housing one or more friction pads (15). The casing (12) is composed of a plurality of separate walls including a circumferential wal...
04/08/2008
7281619Multiple-disk brake or clutch
A multiple-disk brake or clutch (1) includes at least one disk (2, 4) in a housing and at least one disk located on a shaft. Coolant is located in the housing (3). A coolant outlet (10) and a coolant inlet (7) of a cooling circuit ...
10/16/2007
7073875Brake fluid circulation
A brake circuit has a brake connected with a master cylinder via a brake application line. The brake master cylinder has a first chamber in which brake fluid is pressurized on movement of a first piston in a brake applying direction by an operating device. The first...
07/11/2006
7036640Brake 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
6896108System for controlling the temperature of a vehicle driveline component utilizing forced air flow
A system for controlling the temperature of a vehicle driveline component assembly includes using forced air to cool lubricant within the assembly. As heat builds up during braking applications, for example, a controller determines when additional cooling may be nee...
05/24/2005
6880679Interleaved multi-disc friction device using a fan to generate a vaporous air/oil mixture for cooling means
An interleaved friction plate device in which the plates can be clampingly engaged to synchronize, accelerate or decelerate a load, means for cooling and lubricating the surfaces of the friction plates which includes a centrifugal fan that acts as a support and driv...
04/19/2005
6491139Fluid-cooled brake system
A liquid cooled brake system for motor vehicles. A mounting bracket having a plurality of mounting members is adapted to be fixedly mounted to an axle spindle assembly. The mounting bracket is adapted to support at least a first stator, a rotor, and at le...
12/10/2002
6408995Method for flushing the casing of a hydraulic motor
A hydraulic motor (2) with a braking device (8), is acted upon by means of a control fluid via a brake release line (6). The brake release line (6) is used to allow a continuous flushing flow of control fluid through the hydraulic motor at the same time a...
06/25/2002
6386333Disc brake cooling system employing high speed piston pump
The disc brake cooling system for a vehicle with hydraulic brakes has a sealed circular cooling system employing a piston pump which produces a very rapid flow of brake fluid through the brake lines and calipers constantly during non-braking of the vehicl...
05/14/2002
6321879Fluid cooled disc brake for bicycle
A bicycle disc brake caliper is provided with a cooling system that transfers heat away from the actuating fluid. Basically, the bicycle disc brake caliper has a housing and a piston unit, with a coolant member of the cooling system attached to the housin...
11/27/2001
6238017Advanced motorcycle chassis and braking system
A motorcycle chassis embodies novel techniques, geometries, and configurations to provide enhanced performance, including new techniques to enhance braking performance. A first feature facilitates the application of braking force to each wheel in proporti...
05/29/2001
6202802Fluid cooled disc brake for bicycle
A bicycle disc brake caliper is provided with a cooling system that transfers heat away from the actuating fluid. Basically, the bicycle disc brake caliper has a housing and a piston unit, with a coolant member of the cooling system attached to the housin...
03/20/2001
6170617Method of cooling bicycle disc brake
A bicycle disc brake caliper is provided with a cooling system that transfers heat away from the actuating fluid. Basically, the bicycle disc brake caliper has a housing and a piston unit, with a coolant member of the cooling system attached to the housin...
01/09/2001
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
6041898Method of and device for cooling brake fluid
A method of cooling a brake fluid using a brake operating unit which comprises a first and a second flow channels connected to a cylinder of a brake element at one ends thereof comprises a step of setting the absolute value of a difference between the amo...
03/28/2000
5975257Method and apparatus for separating steering oil and brake cooling oil within a hydraulic tank
The present invention provides a hydraulic fluid tank assembly for a vehicle having a hydraulic brake cooling circuit and a hydraulic steering circuit. The hydraulic tank assembly includes a hydraulic tank that has a brake cooling section fluidically coup...
11/02/1999
5954166Device for cooling brake fluid
A device for cooling brake fluid in a brake operating unit which comprises first and second flow channels having respective one ends connected to a cylinder of a brake element. The brake fluid circulates in the cylinder using both of the first and second ...
09/21/1999
5558183Disk brake
A disc brake caliper which includes a cooling fluid gallery which at least partially surrounds at least one of the brake operating piston and cylinder assemblies to cool the hydraulic fluid of any such assemblies. The gallery is constructed to provide thi...
09/24/1996
5394963Composite cast brake caliper
A composite cast caliper in which the body of the caliper is cast with an additional component embedded therein. The embedded or intra-cast component can be either a reinforcing structure to strengthen and prevent deflection of the caliper body or it can ...
03/07/1995
5190123Direct drive axle brake and cooling system
A direct drive, self-cooling, fail-safe axle brake system mounted to a drive axle associated with a differential and wheel end of a vehicle. The brake system has two back to back tandem operated combination brake components associated with the wheel end, ...
03/02/1993
4938321Liquid cooled brake apparatus
A tubular hub member receives a shaft and is surrounded by a housing formed by a base section coupled to a cup-shaped closure section. The hub member defines an inlet passage for circulating cooling oil and supports a set of brake discs which interfit bet...
07/03/1990
4913267Vehicle disc brakes of the liquid cooled type
A rotatable member for a brake of the liquid cooled type comprises a disc provided on opposite sides with annular braking faces. The disc incorporates a plurality of angularly spaced liquid supply slots which extend through the material of the disc and ra...
04/03/1990
4865168Vehicle disc brakes of the liquid cooled type
A brake of the self-energising liquid cooled type incorporates a pump mechanism for pumping liquid from a sump to a braking member which is slidably keyed to a shaft to be braked. The pump mechanism incorporates one rotatable pump member which is driven f...
09/12/1989
4862998Self-energizing disc brakes
In a self-energizing disc brake of the spreading type the actuator mechanism incorporates a restrictor in the form of a circumferentially extending discontinuous oil-seal which co-operates with radial faces on the two pressure plates. A secondary, or elev...
09/05/1989
4815573Liquid-cooled disc brake
A liquid-cooled disc brake for use in a vehicle having a rotatable shaft, at least one rotor fitted to the outer peripheral surface of the shaft, in which the rotor is unrotatable but slightly axially movable with respect to the shaft, a caliper secured t...
03/28/1989
4799564Electric wheel drive
An electric wheel drive for a wheel body having a drive housing with an interior side facing toward the body and having an opposite exterior side facing away from the body includes a drive motor which has a drive shaft facing the exterior side. Second sta...
01/24/1989
4736821Fluid cooled friction brake
A fluid cooled brake for a wheel mounted for rotation about a spindle at one end of an axle and including a plurality of annular friction discs mounted within a closed annular chamber between the wheel and the end of the axle. A pump is provided having a ...
04/12/1988
4517800Hydraulic control system for off-highway self-propelled work machines
A control system has two fixed-displacement pumps for supplying pressurized fluid to a pair of steering cylinders via a steering valve and to a pair of implement cylinders via an implement valve. Connected next to the pumps is a demand valve which is pilo...
05/21/1985
4508200High performance disc brake
A disc brake for application to any land, air or sea vessel or to any fixed or mobile industrial machine, which in order to attain high braking performance comprises a rotating part mounted on a shaft to be braked and having at least one surface of low co...
04/02/1985
4483422Liquid cooled brake unit
An electric motor has a shaft projecting from an end bearing bracket, and an annular hub member is clamped to the projecting portion of the motor shaft. The hub member supports a plurality of clutch discs and defines an impeller inlet for receiving a liqu...
11/20/1984
4424887Brake unit
There is disclosed herein a brake unit of the oil shear type which is specifically designed for use in controlling the drawworks of drilling rigs or the like. The drawworks brake unit comprises an input shaft driven by the drawworks which operates to driv...
01/10/1984
4415067Liquid cooled brake unit
An electric motor has a shaft projecting from an end bearing bracket, and an annular hub member is clamped to the projecting portion of the motor shaft. The hub member supports a plurality of clutch discs and defines an impeller inlet for receiving a liqu...
11/15/1983
4271937Valves for hydraulic brakes
Hydraulically-operable rotary friction brake comprising a retarding device incorporating hydraulically actuated operating members have a hydraulic circuit including a valve whereby in periods of operation a major portion of the hydraulic flow is directed ...
06/09/1981
4207969Wet disc friction device
A liquid-cooled heavy duty brake assembly including a number of rotor discs for cooperation with stator discs for braking an external rotating body connected to the rotor discs which is to be selectively braked. The rotors and stators are normally biased ...
06/17/1980
4101012Hydrostatic braking device for vehicles running downhill
A retarder for selectively braking a vehicle during downhill driving, comprises a stack of Belleville springs, and a pump driven by the impetus of the vehicle rolling downhill, to pump oil between the peripheries of the Belleville springs thereby to exert...
07/18/1978
4083469Brake cooling circuit
A brake cooling circuit which includes a pump for circulating cooling fluid to the brakes in a scraper portion of a tractor scraper combination is driven by a motor powered by hydraulic fluid communicated through conduits leading to one of the implements ...
04/11/1978
4069906Fluid drive cooling apparatus
Cooling apparatus is disclosed for drives of the type having a housing containing a sump for a fluid which is heated by the generation of heat energy during operation of the drive. The heat energy is generated by relatively moving torque transmitting memb...
01/24/1978
4014410Disc brake with fluid cooled actuator
A brake system which utilizes a disc movably mounted on a rotating member such as a shaft, wheel hub or an axle, so that the disc may be tilted at an obtuse angle to the rotating member. A caliper forming two or more hydraulic cylinders and holding associ...
03/29/1977
4010827Clutch engaged brake mechanism
A friction brake includes a clutch device operable to connect friction plates to a rotary shaft so that they rotate with the shaft when the brake is to be operated by engaging said friction plates with a set of stator plates interleaved therewith....
03/08/1977
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