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| Number | Title | Issue Date |
| 7353920 | Fluid 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 |
| 7341318 | Circulating fluid regulated braking device for air and land vehicles A circulating fluid regulated braking device for a vehicle includes a piston pump mounted directly on the hub of each vehicle wheel. The pumps mounted on front wheels are connected by pipes to a primary two-way valve, which, in turn, is connected by pipes to a prima... | 03/11/2008 |
| 7281619 | Multiple-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 |
| 7121389 | Oil system The invention relates to an improved system for supplying filtered oil to wet brakes of the tractor without additional/auxiliary pump. The system comprises of a suitably sized connection provided on the drain line of the Hydraulic system, which supplies required qua... | 10/17/2006 |
| 7073875 | Brake 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 |
| 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 |
| 6986554 | Power dissipation management system A method and apparatus for a power dissipation management system for a vehicle where a thermal condition of a plurality of driveline components is determined. The quantity of energy for each driveline component can absorb is determined based upon its thermal conditi... | 01/17/2006 |
| 6722476 | Caliper for a disk brake for a high-performance motorcar A caliper for disk brakes for high-performance cars, which has a high degree of reliability, comprises a body having two side portions and two transverse bridges connecting the two side portions, cylinder-piston units arranged along each side portion, and a circuit ... | 04/20/2004 |
| 6543222 | Braking system for braking a rotor relative to a stator A braking system (S) for braking a rotor (5, 9, 106) relative to a stator (1C, 1'C), said system comprising two series of brake disks (102, 104) secured respectively to the stator and to the rotor and disposed in a disk enclosure (100). The system further... | 04/08/2003 |
| 6528132 | Phase change cooling of brake components A cooling device for a brake component is provided. The brake component includes a structural element that has an interior cavity. A cooling material is disposed within the cavity. The material has a phase change temperature at a particular pressure and v... | 03/04/2003 |
| 6430045 | Cooling resistor banks Resistor bank cooling apparatus 1 has an enclosure 2 surrounding a resistor bank 4. At least one first vane 6 directs into the enclosure 2 air flowing past an open side 12 thereof, which open side 12 is not a side facing the direction from which the air f... | 08/06/2002 |
| 6408995 | Method 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 |
| 6371255 | Spring applied hydraulic release brake A prime mover of an underground mining machine is propelled by motor driven endless tracks that are operated in unison or independently to effect forward and reverse movement of the machine and turning of the machine. Drive is transferred to each track fr... | 04/16/2002 |
| 6296087 | Wet disc brake with internal drive/external cooler A wet disc brake and axle fluid cooling assembly is disclosed which is driven by a vehicle's axle shaft. The system comprises a brake housing, an axle shaft connected to the brake housing wherein the brake fluid can flow between the brake housing and the ... | 10/02/2001 |
| 6152269 | Integrated unit for the parking and service braking of rotating parts In a braking unit of the SAHR type comprising a braking pack with disks and counter-disks, a resilient system for compressing the pack with a braking load sufficient for parking braking, a first hydraulic system for exerting on the resilient system a cont... | 11/28/2000 |
| 6092631 | Multipot type disk brake If cylinder bores formed in a caliper parallel to each other are communicated together through a pipe casted in the caliper, the pipe tends to come out of the caliper into a cylinder bore. A separate short pipe is provided to communicate the cylinder bore... | 07/25/2000 |
| 6089357 | Dual piston swing brake system for cranes The present invention relates generally to a hydraulic braking system for use in equipment such as cranes that rotate about a fixed base. The braking system described herein utilizes a twin piston hydraulically activated system wherein separate service an... | 07/18/2000 |
| 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 |
| 6041898 | Method 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 |
| 5975257 | Method 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 |
| 5954166 | Device 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 |
| 5657838 | Drive unit and method for operating a drive unit A drive unit for vehicles with an engine and a gearbox, and with a hydrodynamic retarder. The retarder is in constant drive connection with the engine. The unit includes a coolant circuit whose coolant is at the same time the working medium of the retarde... | 08/19/1997 |
| 5601163 | Automatic adjuster for brake calipers Apparatus for automatically compensating or adjusting for the slack or added travel as frictional material on brake pads wears during repetitive brake applications. A stack of snap rings each having a gap in its periphery is collapsed or compressed and as... | 02/11/1997 |
| 5596513 | Method and apparatus for estimating internal brake energy A method and apparatus for estimating internal brake energy in a fluid cooled brake of the type used in large work machines from easily sensed machine operating parameters. The temperature of the coolant is sensed before and after it passes through the br... | 01/21/1997 |
| 5515948 | Protected transfer porting in brake caliper unit with opposed pistons A brake assembly, for causing brake pads to brake a rotor having opposite sides, comprises first and second caliper sections, and piston chambers associated with the sections. Pistons are movable in the chambers to cause the pads to frictionally engage th... | 05/14/1996 |
| 5469943 | Brake assembly having a dump valve A brake assembly, having a plurality of co-operating rotating and non-rotating brake discs, includes a dump valve mechanism, including a spool valve. The spool valve is adapted to move between first and second positions to close and open fluid communicati... | 11/28/1995 |
| 5341903 | Fluid conduit arrangement In present day construction equipment, it is common practice to provide braking capability for each driven axle. The conduits that deliver the pressurized actuating fluid to the brake assemblies are normally mounted in close proximity to existing framewor... | 08/30/1994 |
| 5322147 | Throttle initiated, supplemental pre-cooling system for vehicular brakes A brake cooling system for applying a pre-cooling bath to the brake packs of a vehicle through a brake coolant valve having an actuating piston chamber. The brake cooling system is responsive not only to the application of operating pressure to the brake ... | 06/21/1994 |
| 4862998 | Self-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 |
| 4815573 | Liquid-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 |
| 4802560 | Combined wheel/brake apparatus using electro-rheological fluid A combined wheel/brake apparatus employing an electro-rheological fluid. The apparatus includes a wheel rotatably mounted on an axle and a first array of spaced, electrically conductive vanes extending in a first direction with the vanes non-rotatably hel... | 02/07/1989 |
| 4799575 | Hydraulically controlled disk brake with serial fluid flow A hydraulically controlled disk brake of a motor vehicle having at least one hydraulically actuable brake piston that is arranged in a caliper and is guided in at least one cylinder. The brake has a duct which continuously serially connects the cylinders ... | 01/24/1989 |
| 4706459 | Cooled hydraulic high-performance brake system for motor vehicles In a hydraulic dual-circuit brake system for motor vehicles, especially high-powered heavy passenger cars, in which the front wheel brakes combined in a front-axle brake circuit are exposed to higher thermal loads than the rearward brakes, brake fluid is ... | 11/17/1987 |
| 4650041 | Dual drum brake assembly with cooling means A drum brake assembly is described to comprise a dual drum brake housing mounted to a vehicle wheel or shaft to be rotated therewith. The dual drum brake housing has two axially extending, concentric, radially spaced drum surfaces defining an annular chan... | 03/17/1987 |
| 4557363 | Friction couple cooling system responsive to actuation thereof The present cooling system provides a limited flow rate to the clutches during disengagement and provides additional cooling flow to the clutches during partial engagement and controls the pressure level of the fluid from the source of cooling fluid by op... | 12/10/1985 |
| 4496032 | Brake 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... | 01/29/1985 |
| 4431091 | Vehicle brake system An automatic purge valve 110 for removing air and/or vapor from a fluid pressure operated brake system. The valve comprises a chamber 120 disposed in a brake assembly that includes a pair of opposed coaxially aligned valve seats 120b, 134b and a valve mem... | 02/14/1984 |
| 4415070 | Hose connector A hose connector has a body having a first portion adapted to receive a flexible hydraulic hose and a second portion adatped for connection to a brake actuator. A bore portion of the second body portion is arranged to provide a space large enough to conta... | 11/15/1983 |
| 4379066 | Method for reducing brake noise in oil-immersed disc brakes Lubricating oils containing oil soluble hydroxyalkyl alkanoates have been found to reduce brake noise for oil-immersed disc brakes.... | 04/05/1983 |
| 4377094 | Liquid cooled disc brake for differential of a tracked vehicle An improvement for a steering differential for a tracked vehicle comprising a liquid cooled, hydraulically operated disc brake, two of which are normally used upon the differential to brake and steer the vehicle. A number of stationary discs are keyed int... | 03/22/1983 |
