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| Number | Title | Issue Date |
| 7455372 | Safety angle cock A safety angle cock air-bleeding in a multi-mode and having a ball core revolved in a single direction is of switch valves used in a train air brake system. The safety angle cock includes a cock body with a casing, a shaft, a main pipe joint and a hose joint with a ... | 11/25/2008 |
| 7300118 | Electronic park brake valve system for air brakes vehicles A vehicle brake system includes a source of fluid pressure adapted to supply a braking force a brake actuator including a parking brake chamber, and a combination valve fluidly coupling the brake actuator to the source of pressure, the combination valve having an in... | 11/27/2007 |
| 7267413 | Control valve A configurable control valve for use with air brake systems is provided. This control valve includes: a first or top body portion, a second or bottom body portion, and a connector for attaching the first body portion to the second body portion. The first body portio... | 09/11/2007 |
| 7210385 | Bevel locking system for a sliding compound miter saw A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Furthe... | 05/01/2007 |
| 7135225 | Acrylic synthetic fiber improved in styleability An object of the present invention is to provide an acrylic synthetic fiber having excellent stylability and heat resistance. The object may be attained by an acrylic synthetic fiber having a knot-like unevenness on a fiber surface thereof, a difference of distances... | 11/14/2006 |
| 7096796 | Brake handle with integral position sensing switch A brake handle for a train or other vehicle has a grip that may be grasped by a human operator, a shaft that is fastened to the grip, a hub that is fastened to the shaft and is rotated by the shaft, a mounting block that is supported by the hub for rotating movement... | 08/29/2006 |
| 7013781 | Bevel locking system for a sliding compound miter saw A power tool includes a table. A shaft is disposed on the table and has an axis. A support housing supporting a motor and a working tool driven by the motor is disposed on the shaft adjacent to the table. The support housing is axially movable along the shaft and be... | 03/21/2006 |
| 6758856 | Cancer thermotherapy apparatus A cancer thermotherapy apparatus of the present invention has an ortho-hexahedral cavity resonator and a loop antenna on a upper inner wall surface of the cavity resonator. The loop antenna is attached so that its loop face can be parallel to two side inner wall sur... | 07/06/2004 |
| 6074017 | Liquid pressure control device for load responding brake The present invention discloses a liquid pressure control device (1) for load responding brake. This liquid pressure control device (1) comprises valve mechanisms (5) and (6) for reducing liquid pressure from a brake master cylinder and transmitting reduc... | 06/13/2000 |
| 5439276 | Tamper-resistant independent brake valve device for locomotive air brake equipment A tamper-resistant independent brake valve device for use in a brake equipment on railway locomotives including a main body casing carrying a movable handle, a rotatable cam, a pivotal cam dog and an exhaust and supply valve assembly, a spring housing att... | 08/08/1995 |
| 5056874 | Brake control valve A brake control has a regulator valve to establish the pressure in the brake system during brake apply. A flow regulator valve permits a fast flow rate for filling of the system when brake apply is initiated and a slow flow rate when the brake system pres... | 10/15/1991 |
| 4848848 | Brake slip-controlled dual circuit vehicle brake system A vehicle brake system comprises two pressure modulators (16, 18) one of which (16) is associated with one of the brake circuits (12) and the other of which (18) is associated with the other (14) of the brake circuits. The modulators (16, 18) are accommod... | 07/18/1989 |
| 4822110 | Pneumatic valve, particularly a duplex-type distributor for a braking system, including a device for limiting the maximum distributable pressure In its simplest form, the valve comprises a body with an inlet connector and an outlet connector intended to be connected to a pressure source and a pneumatic circuit respectively. In the body, a valve comprising a seat and an obturator controls communica... | 04/18/1989 |
| 4787685 | Slip-controlled brake device for automotive vehicles including vacuum power generator assembly used both as brake power booster and as modulator A brake power-controlled brake device for automotive vehicles is provided with a hydraulic master cylinder (11) which is, via a pneumatically actuated pressure modulator (12), connected to at least one wheel cylinder brake circuit I. The pressure modulato... | 11/29/1988 |
| 4750786 | Brake pressure control system of vehicle load responsive type A brake pressure control system for a wheeled vehicle includes a swingable lever pivotally mounted at a first end portion thereof to a sprung mass of the vehicle such as a body frame, a first tension coil spring connected at a first end thereof to the spr... | 06/14/1988 |
| 4729607 | Dual circuit brake valve differential pressure control mechanism A dual circuit brake valve is provided with a delivery differential control mechanism which controls the differential between the delivery pressures of the primary and secondary braking circuits. The delivery differential control mechanism includes a spri... | 03/08/1988 |
| 4708158 | Ball-type stop cocks having standard matching flanges This invention relates to a flange-type stop cock having a ball valve plug. This ball-valve stop cock is so constructed as to have the same profile or outline as the flange portion of the existing flange-type stop cock having a conical-shaped valve plug. ... | 11/24/1987 |
| 4673224 | Brake pressure control unit The invention is related to a brake pressure control unit which is pilotable load-sensitively through a pilot device, a spring device, and a transmission lever. The pilot device includes a first pilot element being fastened to an unsprung member of the ve... | 06/16/1987 |
| 4668020 | Valve assembly for use in brake pressure control unit The invention overcomes the problem of a cocking valve in a pressure control unit for use in a vehicle braking system. The valve is provided with a body assembly defining an external cylindrical surface slidably engaging the internal surface of a valve ch... | 05/26/1987 |
| 4655510 | Self-lapping type control valve device In a self-lapping type control valve device, a check valve is provided by means of a seal at the interface of the control piston diaphragm and a recess in which the diaphragm is connected to the valve body, the seal being effective to isolate a control ch... | 04/07/1987 |
| 4641891 | Hydraulic servo vehicle brake A hydraulic servo vehicle brake with a tandem master cylinder wherein the first master piston (24) is provided with a cylindrical axial bore toward the piston pressure chamber (76). A second master piston (80) extending to the master cylinder bottom (79) ... | 02/10/1987 |
| 4639048 | Process and apparatus for brake pressure control In the process, a spring device is pivotally connected to a transmission lever which is movable between two defined positions. The free end of the spring device is subjected to a defined load and is fixed stationary while the transmission lever is in the ... | 01/27/1987 |
| 4629257 | Braking corrector Control device for a braking corrector (10) capable of being imposed between a source of hydraulic pressure and a motor vehicle braking circuit, of the type incorporating a casing (12) provided with at least one bore (14, 14') a plain or differential hydr... | 12/16/1986 |
| 4627668 | Relay valve A relay valve for a vehicle brake system having an operating piston which moves in one direction in response to entry of a control pressure into one part of the valve and which by that movement causes an orifice to open whereby working pressure is allowed... | 12/09/1986 |
| 4624507 | Safety device on a braking corrector The invention concerns a braking corrector (10) of the type incorporating at least one piston (16, 16') provided with a passage joining the inlet chamber (18, 18') and the outlet chamber (22, 22') to one another, a valve (26, 26') controlling the communic... | 11/25/1986 |
| 4623200 | Hydraulic pressure control valve responding to load A hydraulic pressure control valve for use with two independent rear braking systems, for transmitting braking hydraulic pressure to wheel cylinders in two rear wheels of a vehicle through two independent pipings. The control valve has a pair of valves, a... | 11/18/1986 |
| 4501451 | Vehicle braking system A selector valve for a vehicle braking system in which brakes mounted on opposite sides of the vehicle can be operated selectively either together or independently, comprises an operating lever (9) for displacing a valve spool (2) to control communication... | 02/26/1985 |
| 4453380 | Method and apparatus for setting the idle stroke of a master-cylinder/servo assembly, and brake control unit adjusted by implementing this method According to the invention, the communication between the supply orifice (40,41) and the corresponding pressure chambers (38,39) of the master-cylinder (11) is tested while the stop (25) defining the rest position of the piston (15) of the servo is being ... | 06/12/1984 |
| 4448457 | Braking pressure corrector The braking pressure corrector is controlled by the load of the vehicle by means of a controlling unit. This controlling unit (20) comprises a push rod (22), a preloading spring (26) exerting a thrust of fixed magnitude on the push rod (22), and a control... | 05/15/1984 |
| 4444439 | Apparatus for adjusting a mechanically-controlled, load-dependent braking-power regulator Apparatus for adjusting a mechanically operable load-dependent braking force regulator including a control shaft having a cam surface for setting the axial position of a push rod which controls a valve for supplying brake-operating pressure according to t... | 04/24/1984 |
| 4435019 | Brake pressure control valve A brake pressure control valve for controlling the pressure in two pressure circuits. The control valve includes two control valve units arranged side by side in a housing, and each control valve unit comprises a piston and a spring acting on the piston t... | 03/06/1984 |
| 4375304 | Dual-circuit pressure control valves Dual circuit pressure control valves for brake system are known in which the control pistons are located parallel to each other with each control piston controlling a different one of two brake circuits. Both control pistons are loaded by a common preload... | 03/01/1983 |
| 4365846 | Dual-circuit pressure control valve for hydraulic brake systems Dual circuit brake force control units are known in which the initial preloading force is changeable dependent on the vehicle load. The preloading force is distributed to the control pistons by means of a lever. Due to the tolerances and erosion of the in... | 12/28/1982 |
| 4334713 | Hydraulic control system A hydraulic control system, for at least one hydraulic braking circuit, comprising a control unit, a brake pedal, an assisting hydraulic pressure plant having a fluid pressure source and a reservoir, a distributor valve having a slide fitted movably in th... | 06/15/1982 |
| 4096884 | Relay valve A relay valve for use in vehicle air brake systems has a housing with a service port, supply port, delivery ports and an exhaust port. A piston and shuttle are movable within the housing to control communication between the ports. The shuttle carries a se... | 06/27/1978 |
| 4076329 | Brake modulation valve for pedal-applied brakes A brake modulation valve includes a spool reciprocable in a body to provide application and release of the brakes of a vehicle through movement of a pedal, the movement of the pedal providing application of the brakes being resisted by resilient means in ... | 02/28/1978 |
