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| Number | Title | Issue Date |
| 4827720 | Master cylinders with rear exterior shell forming reservoir passage A master cylinder for a vehicle braking system comprises a body (2) with a bore (3) open at the rear end of the body, a reservoir (4), a transverse port (17) in the body opening into the bore (3) and positioned rearwardly of the reservoir, and a passagewa... | 05/09/1989 |
| 4724676 | Heat exchange matrix for refrigeration apparatus A cryogenic refrigeration apparatus comprises an electrically actuated compressor which supplies a working fluid to a free moving displacer which includes a regenerator matrix, so that a container in which the displacer is slidable has a cold end and an a... | 02/16/1988 |
| 4694651 | Brake master cylinder In a master cylinder of the quick-fill type, communication between the quick-fill chamber (8) and the reservoir (13) is controlled by a valve assembly comprising a pressure responsive valve which opens when the pressure in the quick-fill chamber (8) reach... | 09/22/1987 |
| 4632639 | Air compressor with pre-loaded spring clutch An air compressor having a piston driven from an input shaft via a multi-plate clutch which is normally held in engaged condition by a spring device which is pre-loaded by one or more screw members arranged to apply a compressive force across the spring d... | 12/30/1986 |
| 4570247 | Dual-band ultrasonic motion detector A motion detector system includes an ultrasonic transmitter, receiver and phase detector which produces as output signals of frequency related to the speed of movement of any moving object in a zone being monitored. The output of the phase detector is fed... | 02/11/1986 |
| 4567870 | Governor system A governor system for controlling the setting of a fuel control member of a fuel injection pump includes a manually operable member, a connecting device connecting said members, the connecting device being such as to allow movement of the fuel control mem... | 02/04/1986 |
| 4566623 | Method of producing a metal tube and flange assembly A method of making an assembly of a metal tube and a flange body having an opening therein through which the tube is passed during assembly, comprising, deforming the flange resiliently to enlarge the opening to allow passage of the tube, inserting and pa... | 01/28/1986 |
| 4566563 | Combined live axles and brake assemblies for vehicles A brake of the multi-plate disc type is mounted at the end of an axle of a vehicle to brake it through the intermediary of a reduction gear mechanism, and the brake is operated by an hydraulic control system which extends to the brake from a portion inboa... | 01/28/1986 |
| 4561827 | Air compressor having condition responsive clutch control An air compressor has a piston (3) reciprocable to compress air within a cylinder (2), a clutch (16) to transmit drive from a drive input shaft (12) to the piston when compression is required, a piston (27) arranged to be responsive to pressure resulting ... | 12/31/1985 |
| 4559780 | Power valve for a vehicle braking system A power valve for a vehicle braking system includes a main pressure chamber (4) defined between the body (1) and spool (2) and connected to the outlet (5), the spool being displaceable under an input effort to close communication between the chamber (4) a... | 12/24/1985 |
| 4560629 | Electric storage batteries In a combination of an electric storage battery and a device for making an external electrical connection to the battery, the connecting device includes a conductive member secured to a conductive battery terminal exposed at an external surface of the bat... | 12/24/1985 |
| 4558766 | Automatic adjuster for a shoe drum brake An adjuster for a shoe drum brake has a variable length strut for maintaining a predetermined maximum shoe to drum clearance. A thermally responsive shape memory effect material (SME material as defined in the specification) is arranged to move the brake ... | 12/17/1985 |
| 4552113 | Fuel control system for an internal combustion engine An i.c. engine fuel control includes a main fuel control which controls fuel flow to the engine in accordance with one or more engine operating parameters. A roughness sensor provides an electrical signal varying with the magnitude of fluctuations in the ... | 11/12/1985 |
| 4548177 | Governor system A governor system for the fuel pump of a road vehicle includes a governor of the all-speed type and means is provided to vary the characteristic of the governor in the intermediate speed range in accordance with the load on the vehicle.... | 10/22/1985 |
| 4544905 | Linear transducers A linear transducer comprises a former about which is wound a number of windings, the windings being disposed in side by side relationship and having the same number of turns. The windings are connected in series with adjacent windings being wound in the ... | 10/01/1985 |
| 4527669 | Friction pad assemblies for use in disc brakes This specification discloses a friction pad assembly for use in a disc brake. The friction pad assembly has a pad anti-rattle spring having a coiled region intermediate its ends, the coils of said coiled region being axially spaced apart from each other a... | 07/09/1985 |
| 4524677 | Seals used in piston and cylinder arrangements The present specification relates to a piston and cylinder arrangement for use in a vehicle disc brake. Such arrangements are either hydraulically or pneumatically operable. In disc brakes the piston and cylinder of the brake actuator are usually sealed a... | 06/25/1985 |
| 4520782 | Fuel pumping apparatus A fuel pumping apparatus for supplying fuel to an internal combustion engine includes a throttle member having a groove which can register with a port to control the fuel flow to an injection pump forming part of the apparatus. The throttle member is angu... | 06/04/1985 |
| 4519481 | Suspension strut for vehicles A suspension strut for a vehicle comprises a cylinder in which works a piston, and the piston is carried by a piston-rod which passes through an axial extension depending from a closure for one end of the cylinder. An annular chamber defined between the c... | 05/28/1985 |
| 4511020 | Disc brakes The present specification relates to pin sliding caliper disc brakes suitable for use in trucks. The disc brake of the present invention comprises a caliper slidably mounted on a first torque taking member, the caliper being open-topped for the easy inser... | 04/16/1985 |
| 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 |
| 4502006 | Displacement measuring transducers and their use for sensing vehicle suspension displacements An inductive displacement transducer is described in which the magnitude of the phase difference between A.C. current and voltage in a coil is dependent upon the axial displacement of a monitored object. The phase difference depends upon the axial positio... | 02/26/1985 |
| 4496888 | Control system for a d.c. motor A d.c. motor control system, intended primarily for use in battery powered vehicles, includes a control switch (RL2a, RL2b) for varying the connections of the motor field winding (24) to determine the mode of operation of the motor and speed interlock mea... | 01/29/1985 |
| 4492744 | Secondary zinc electrode for a secondary electro-chemical cell A secondary zinc electrode, for example, for a nickel/zinc cell has an electrically conductive support onto each major surface of which is pressed an active zinc material. A grid structure defining a plurality of compartments is pressed into the material ... | 01/08/1985 |
| 4492289 | Internal shoe drum brake An internal shoe drum brake incorporates an automatic adjuster which includes and adjuster element carried by one of the brake shoes, a strut extending between the shoes and engaged by the adjuster element and a rotary adjuster cam mounted on the same sho... | 01/08/1985 |
| 4491205 | Adjustable abutments in disc brakes The present specification describes and claims a spot-type disc brake comprising a caliper and a torque taking member, a pair of abutment members being mounted on the torque taking member to form guides for an inboard friction pad assembly, one abutment m... | 01/01/1985 |
| 4490979 | Vehicle braking system In a vehicle braking system of the kind in which brakes mounted on opposite sides of the vehicle are associated with respective pedals (1) and can be operated together for normal vehicle retardation or independently to assist vehicle steering, the brakes ... | 01/01/1985 |
| 4490803 | Temperature compensation of a resistance bridge circuit A resistance bridge circuit is temperature compensated, for both zero error and sensitivity, over a predetermined temperature range by connecting a first compensating resistance in series with one resistor of the bridge, and a second compensating resistan... | 12/25/1984 |
| 4488405 | Master cylinder assembly for a vehicle hydraulic braking system A master cylinder assembly comprising two separate master cylinders is disclosed. Pressure spaces of the master cylinders are interconnected through outlet passages and a transfer passage, and a transfer valve is housed within each outlet passage. When th... | 12/18/1984 |
| 4487301 | Combined live axles and disc brake assemblies for vehicles A live axle is combined with a brake which is disposed outboard of bearings on which a hub is journalled for rotation. The bearings are mounted on a relatively stationary axle tube, and a drive shaft is mounted within the axle tube for limited movement in... | 12/11/1984 |
| 4484130 | Battery monitoring systems A microprocessor based electric vehicle traction battery monitoring system evaluates the state of charge, interfaces with a traction motor control system, and controls recharging. The state of charge is evaluated during the first part of discharge by inte... | 11/20/1984 |
| 4481844 | Transmission system A transmission system comprises an engine (10) which drives a propeller shaft (14) through continuously variable gearing (CVG) (11), split path gearing (12), and a disconnector device (13). The gear ratio of the CVG (11) is controlled by an actuator (24).... | 11/13/1984 |
| 4477293 | Link and windscreen wiper mechanism An ultra lightweight, thin link for a windscreen wiper mechanism is formed of a strip which is of U-shaped section for most of its length and which has end portions in which integral bush bearings are provided by plunged holes in the strip. The strip is v... | 10/16/1984 |
| 4477010 | Method of producing a metal tube and flange assembly An assembly of a metal tube and a flange body having an opening therein through which the tube is passed during assembly and a method of making it, comprising, deforming the flange resiliently to enlarge the opening to allow passage of the tube, inserting... | 10/16/1984 |
| 4476963 | Automatic adjuster for a shoe drum brake An adjuster for a shoe drum brake has a variable length strut for maintaining a predetermined maximum shoe to drum clearance. A thermally responsive body of shape memory effect material (SME material as defined in the Specification) is arranged to move th... | 10/16/1984 |
| 4474157 | Fuel injection pumping apparatus A fuel injection pumping apparatus of the rotary distributor type has pumping plungers located in a bore in the distributor member. A cup shaped member surrounds the distributor member and has slots in which are located cam followers. The cup shaped membe... | 10/02/1984 |
| 4473999 | Fuel control system for a gas turbine engine A fuel control system for a gas turbine engine comprises a variable metering device and a flow limiting valve arranged in series. The limiting valve is servo pressure operated to reduce fuel flow in response to unacceptably high levels of certain engine o... | 10/02/1984 |
| 4473862 | Circuit for controlling an electromagnet A control circuit for an electromagnet includes a main current control element in series with the electromagnet winding and controlled so as to switch on and pass a "pull-in" current for an initial period and to control the current to a lower "hold" level... | 09/25/1984 |
| 4471252 | Rotary dynamo electric machine with protection against demagnetization of low flux portion of permanent magnet poles A permanent magnet dynamo electric machine is provided with a shield of high saturation flux density at the weaker or lower flux tip or edge of a permanent magnet pole face to prevent both circumferential and axial demagnetization of that portion of the p... | 09/11/1984 |
| 4466002 | Variable reluctance position transducer A transducer includes a winding in a magnetic circuit including a magnet, a pole-piece and a disc which has pairs of protuberances in its periphery, each pair being connected by a web of lesser radial distance from the disc axis than the peaks of the prot... | 08/14/1984 |
