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Lucas Industries Public Limited Company Patents
Assignee:
Lucas Industries Public Limited Company
Address:
Solihull, GB
No. of patents:
579
Patents:


1 2 3 4 5 6 7 8 9 10 11 12


Patent Number Title Of Patent Date Issued
D365986 Cover for a container for small loads (as e.g. vehicle brakes and parts thereof) January 9, 1996
6679568 Block-protected braking system January 20, 2004
The invention relates to a block-protected braking system for a vehicle, comprising an electronic controller (22, 24) arranged in a housing (12), a valve block (14) to accommodate solenoid valves for controlling the hydraulic fluid in the braking system, and a pump motor (16) for a pump
6389575 Data integrity checking apparatus May 14, 2002
A data integrity checking apparatus including an array of n latch circuits, each latch circuit having an input terminal and an output terminal, an array of n exclusive OR (XOR) gates, each XOR gate having two inputs and an output, the output terminals of the XOR gates are connected to th
6361122 Pedal assemblies for vehicle braking systems March 26, 2002
In a pedal assembly for a brake-by-wire vehicle braking system, feedback reaction means (10) is provided so that feedback to the driver through the pedal (3) provides comfortable feel, similar to the pedal feel achieved in a conventional hydraulic braking system fitted to a non-EBS equip
6241613 Drive arrangement June 5, 2001
A drive arrangement for driving a rotary component of a fuel pump comprises a resilient member associated with either a drive shaft or the rotary component and engageable with a surface associated with the other of the drive shaft and rotary component. In use, where a braking force great
6237324 Fuel control system for a gas turbine engine May 29, 2001
A fuel control system for a gas turbine engine includes series-connected first and second metering valves for providing a metered fuel flow to an engine supply line. A downward failure condition in either valve is detected by a detector which produces a signal representative of such
6211631 Electrical power-assisted steering systems April 3, 2001
An electrical power-assisted steering system is disclosed comprising a brushless electric motor (1) which has a plurality of phase windings connected at a start point and in which a switching means (13) such as a relay is provided in at least one phase of the motor, the switching means
6192870 Fuel injector February 27, 2001
A fuel injector comprises first and second housing parts, the first housing part being located within a bore or recess formed in the second housing part, the housing parts defining therebetween an inlet chamber, a delivery chamber axially spaced from the inlet chamber, and a filtration f
6138449 Lock for a thrust reverser mechanism and a thrust reverser mechanism October 31, 2000
A lock for a thrust reverser mechanism having actuator means for operating a thrust reverser mechanism, includes a first lock device connectable, in use, to the actuator means for preventing actuation of the latter. The first lock device is operable hydraulically to unlock the lock so as
6132010 Accumulator pressure control in vehicle brake systems October 17, 2000
A vehicle braking system in which a stored volume of working fluid is used by a brake control system to apply the brakes under the control of an electronic control unit. The stored volume is replenished by pumping additional working fluid using a pump driven by an electric motor. The
6129183 Brake wear sensor October 10, 2000
A brake lining wear monitor is disclosed for a brake assembly having a body and a friction lining having an operative face adapted to be applied to a brake rotor. The monitor includes an actuator which applies the brake lining to the rotor, an adjuster driven by the actuator to maintain
6089678 Hydraulic braking systems for vehicles July 18, 2000
In a hydraulic braking system, during normal service braking, the output from a master cylinder (3) is disabled and a brake (12) is applied from a high pressure hydraulic source (24) under the control of electric control means (30) including a solenoid operated actuator (6) responsive to
6082835 Differential braking control in road vehicles July 4, 2000
An electronic braking system which recognizes differential braking across an axle. A stored adaptive capability is provided whereby a braking controller is able to learn the braking imbalance and correct for this by introducing differential pressure adjustments such as increasing braking
6050654 Electromagnetic valve arrangement and vehicle braking system comprising said electromagnetic val April 18, 2000
The invention relates to an electromagnetic valve arrangement, preferably for a pressure medium of a vehicle braking system, comprising an electromagnet arrangement which is coupled with a valve closing means which can be brought into several positions, a housing with a first, a seco
5994807 Electric actuators for vehicle powered steering systems November 30, 1999
An electric actuator for use in a vehicle power steering system includes an electric motor (20) and a gearbox (22). The electric motor (20) has a stator (26) and an armature (27) concentric with the stator (26) that is adapted to rotate about a common axis. A single common output shaft (
5986871 Method of operating a fuel injector November 16, 1999
A method of operating a fuel injector comprises the steps of applying a test waveform to a solenoid coil of the injector to cause a response by an armature assembly and measuring the response of the armature assembly while the test waveform is applied to the solenoid coil. A control
5984208 Fuel injector having a press-in valve seat November 16, 1999
A fuel injector includes a barrel having an insert recess therein within which an insert is disposed. A facing surface of the insert is located opposite a base surface of the recess and forms a passage interconnecting a high pressure fuel passage and a valve bore. High pressure intersect
5975437 Fuel injector solenoid utilizing an apertured armature November 2, 1999
A fuel injector solenoid includes an armature through which a high pressure fuel passage extends. Because the fuel passage is disposed within the armature, the solenoid can be made larger, thereby permitting greater armature forces to be developed.
5971300 Fuel injector employing center fuel flow and pressure-assisted check closing October 26, 1999
A fuel injector includes a center tube which conducts fuel flow. A flat-seat poppet valve surrounds a lower portion of the center tube and controls the application of pressurized fuel to first and second check end passages to assist in check closure.
5940262 Control circuit for an electromagnetic device for controlling an electromagnetic fuel control va August 17, 1999
A control circuit for an electromagnetically operable fuel control valve of a vehicle engine includes a tank capacitor which upon closure of first and second controllable switches supplies current to the winding of the valve to achieve a high rate of rise of current in the winding and ra
5937649 Brake master cylinder with return connection August 17, 1999
A brake master cylinder (10) for a hydraulic vehicle brake system has a master cylinder housing (32) and at least one pressure chamber (40) designed therein. Connected to the pressure chamber (40) is a hydraulic fluid reservoir which, furthermore, is provided for connection to a prec
5934854 Ring fastener, apparatus for installing same, and installation method for the ring fastener August 10, 1999
A ring fastener, with a circular configuration in the rest condition, comprising two ring ends (11, 12) spaced from each other, an essentially constant cross-section over at least 150.degree. of its circumference, and in the area of each ring end (11, 12) a recess (13, 14) opening toward
5924435 Method of energizing an electromagnetically operable control valve, and fuel system incorporatin July 20, 1999
A method of energizing an electromagnetically operable valve which comprises a valve member movable into engagement with a seating when a winding is energized comprising connecting the winding to a DC supply to achieve a rapid rate of rise of current. The current is controlled at the
5896958 Drum brake with divided brake support plate April 27, 1999
The drum brake has a brake support plate which is divided into a supporting body (10) and a back plate (22). The supporting body (10) has a central ring (12) for centering and securing to an axle housing of a vehicle, and an abutment carrier (16) against which brake shoes (38) can bear i
5873247 Vehicle brake system with an electronically controllable brake booster February 23, 1999
A vehicle brake system with an electronically controllable brake booster, comprising an actuation member (70, 80) transferring the actuation travel of a brake pedal to a master cylinder, which is allocated a travel limiting element (82) accepted between two abutment faces which limits th
5865510 Brake pedal actuator for motor vehicle and actuation unit therefor February 2, 1999
A brake pedal (1) for actuation of a brake cylinder (10) of a motor vehicle, comprises a lever (2), having at an end portion of one lever (3) a stepping plate (4) for actuation by a driver, and an articulation location (5) for introducing actuation forces into the brake cylinder (10)
5864195 Stator component including limbs provided with recesses at their outer surface January 26, 1999
A stator component is described which comprises first and second limbs defining respective pole faces. Each limb includes an outer surface which is provided with a pair of elongate recesses, each extending in a direction angled to the pole faces. The recesses conveniently intersect o
5857491 Valve arrangement January 12, 1999
A valve arrangement comprises a piezo electric member arranged to control fuel flow through an orifice, the piezo electric member being operable to flex away from the orifice to allow an increased rate of fuel flow therethrough. The piezo electric member is also engageable with a valve
5855420 Electronically controlled brake booster and method of operation thereof January 5, 1999
An electronically controlled brake booster for a vehicle brake system including a housing having a vacuum chamber and a servo chamber separated from the vacuum chamber by a movable wall. The brake booster further includes a control valve operable by an electromagnet. The control valve
5850138 Control circuit for electrical generator December 15, 1998
An electrical generator provides an output at a main stator winding which is excited by a main rotor winding. The main rotor winding is connected via a rectifier to a main exciter rotor winding which is excited by a main exciter field winding. A control circuit controls excitation of the
5848672 Brake lining wear sensing system December 15, 1998
A wear sensing system for the brake linings of a vehicle. Since the sensors are mounted within the brake mechanism, the reduction in the disc thickness must be taken into account to supply an accurate reading. A non-volatile memory stores the position of the brake before replacement
5843313 Fuel filter December 1, 1998
A fuel filter element includes an outer casing within which is located an annular filter medium which surrounds an inner tube. The filter medium is supported by upper and lower annular support plates. The upper support plate is provided with apertures to allow fuel flow and the lower sup
5825216 Method of operating a drive circuit for a solenoid October 20, 1998
A method of operating a drive circuit of a solenoid of an electromagnetic device including an armature, the drive circuit including switch means in series with the solenoid, comprising closing the switch means to achieve a high rate of current increase in the solenoid, opening the switch
5819885 Brake and actuator assembly October 13, 1998
A brake and actuator assembly is disclosed, and includes a brake having an actuating shaft operable to cause friction elements of the brake to be urged against a rotary braking member. The assembly also includes a brake actuating mechanism to which the shaft is operably connected for bra
5819884 Clamping device of a disc brake, especially for use with heavy commercial vehicles October 13, 1998
The clamping device comprises at least one plunger (30) which is displaceable in the direction of a plunger axis (C) for applying a brake pad to a brake disc, and at least one eccentric (24) which is rotatable about a transverse axis (B). A roll body (28) is carried on the eccentric
5810569 Pump having a variable instantaneous delivery rate September 22, 1998
A pump is disclosed having a variable cam arrangement under the influence of which a plunger is reciprocable. The variable cam arrangement comprises a plurality of cam rings which in an embodiment of the pump are relatively moveable in order to adjust the shape of the effective cam surfa
5795998 Flow sensor and fuel control system August 18, 1998
Disclosed is a flow sensor comprising a cylinder and a piston movable within the cylinder and dividing the cylinder into first and second chambers. The first chamber communicates with an inlet and the cylinder has an orifice which cooperates with the piston to define an outlet from t
5781103 Apparatus and method for cruise control July 14, 1998
A cruise control system for a road vehicle having apparatus which, when cruise control is engaged, is arranged to inform the driver of the vehicle when a maximum braking force allowed by the cruise control system is being applied, so that the driver can make a decision as to whether or n
5771481 Apparatus and method for cruise control June 23, 1998
A cruise control system for a road vehicle having means for the establishment of a number of interlock conditions which, if broken, cause the cruise control system to adopt an intermediate condition wherein, if the vehicle is still moving, the cruise control system is arranged to be
5769508 Hydraulic power unit for a block-protected vehicle braking system June 23, 1998
The invention relates to a hydraulic power unit for a vehicle braking system comprising an electronic controller (22, 24) arranged in a housing (12), a valve block (14) for accommodating electromagnetic valves for the control of hydraulic fluid in the braking system, and a pump motor (16
5765116 Driver assistance system for a vehicle June 9, 1998
A video camera or equivalent sensor is mounted on a vehicle and used to detect the lane markings on the road (usually the white painted lines). An associated signal processor (11) estimates the vehicle's lateral position in relation to the lane markings. An electric motor (4) coupled to
5762506 Connector June 9, 1998
A rotary electrical connector comprising first and second relatively rotatable housing parts, a spacer provided between the housing parts and rotatable with respect thereto, an elongate conductor carried, at one end, by the first housing part and, at the other end, by the second housing
5761629 Method and apparatus for cruise control June 2, 1998
A cruise control system arranged to determine whether the closest targeted vehicle ahead of a vehicle being controlled is running in its lane or an adjacent lane and if it is determined that the closest vehicle is running in an adjacent slower lane, allowing the controlled vehicle to ove
5752750 Valve arrangement May 19, 1998
A valve arrangement, particularly for a fluid brake circuit with anti-slip control, comprising a first, a second and a third fluid connection (16, 20, 46) of respective, predetermined flow cross-sections, at least one valve element (44) which is biased by a first spring arrangement (106)
5749426 Apparatus and method for cruise control May 12, 1998
An AICC cruise control system which operates in accordance with a driver's headway request given in terms of a desired time interval between the controlled vehicle and the preceding (target) vehicle, wherein, upon slowing of the target vehicle towards zero velocity, the calculated st
5746180 Fuel supply apparatus May 5, 1998
A fuel supply apparatus for supplying fuel to a compression ignition engine comprising a rotary distributor member having a delivery passage which can register in turn with outlet ports connected to the injection nozzles of the engine. Fuel is supplied to the delivery passage from an acc
5732556 Actuation assembly for a braking system for motor vehicles March 31, 1998
A pneumatic brake booster (10) and a hydraulic master cylinder (60) are arranged in a series along a common axis (A) to form an assembly which includes a booster housing (12), a power input member (30) and a power output member (40). A mechanical power transmitter (32) is arranged be
5710716 Vehicle load measuring systems January 20, 1998
A system for measuring loads in a vehicle comprising strain and/or displacement sensing elements and a local electronic interface which are adapted to be linked to a main electronic unit in a vehicle with which the load measuring system is associated. The load measuring system comprises
5709437 Vehicle braking system January 20, 1998
A vehicle braking system with an electronically controllable brake servo unit which comprises a first pneumatic working chamber (13) and a second pneumatic working chamber (14) which are separated from each other by a movable wall (11), wherein a travel sensor (20) is provided for the
5704552 Injector January 6, 1998
An injector is described which includes a holder having an inlet, and a passage for supplying fuel from the inlet to a valve needle seating, an adjustable spring abutment plate being located between the inlet and passage. Adjustment of the position of the plate adjusts the compression
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