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Attorney: Milliken; Paul E., Germain; Lee A.


Number of patents: 69
Last date: December 15, 1998

1    
NumberTitleIssue Date
5848938Twin mass flywheel
A twin mass flywheel comprising two co-axially arranged flywheel masses which are mounted for limited angular rotation in a drive and over-run direction relative to each other, and a plurality of pivotal linkages. Each pivotal linkage comprises a first li...
12/15/1998
5836347Fluid pressure supply system
A vehicle fluid pressure supply system in which a fluid pressure supply pump (10) is connected via solenoid-operated flow control valve (15) with a plurality of separate fluid pressure operated circuits(A, B, C) each operating separate functions of the ve...
11/17/1998
5836207Ratio selector mechanisms
A ratio selector mechanism for the selection of the operative ratio in an associated synchromesh vehicle transmission in which a fluid pressure operated actuator operates synchromesh units. The operating pressure of the actuator is varied either mechanica...
11/17/1998
5819585Vehicle transmissions with automatic safety override when in manual mode
A vehicle transmission having a main drive clutch (14), a multi-ratio gearbox (12), a gear engaging mechanism (25) for engaging the operative ratio of the gearbox, and a manually operable gear selector (24) allowing the operator to manually select the ope...
10/13/1998
5813183Method of coating
A method of coating a component part (10) with a protective coating having a rough surface appearance in which the surface is covered with a first layer (L1) of powder coating, a particulate material (26) is spread over the first layer (L1) whilst the lay...
09/29/1998
5795263Actuation systems and mechanisms
An actuation system particularly for a vehicle clutch, in which a source of pressurized fluid is interconnected with a slave cylinder (11) via a displacement means (12). The displacement means (12) includes a component which is displaced by the pressurize...
08/18/1998
5787790Actuator with an overflow chamber and means for returning the fluid from the overflow chamber during a reverse stroke
An actuator, particularly for the operation of a vehicle clutch in which an annular piston (10) slides between cylinder walls (11, 12) to define an annular working chamber (20). A sealing means (15) seals the piston to the cylinder walls and an overflow c...
08/04/1998
5767514Scanning probe and an approach mechanism therefor
A method and apparatus for tunnelling microscopy utilising a tunnelling microscope head (11) having a tip (15) which is moveable by a driver (25) towards a sample (28) and is stopped in its advance as an electron flow between the tip and the sample is det...
06/16/1998
5738609Clutch control system
A clutch control system for the automatic control of a motor vehicle clutch (14) which connects an engine (10) with a gearbox (12) under the control of a driver-operated gear ratio selector member (24). The control system includes an electric control unit...
04/14/1998
5727389Actuation systems
An actuation system for a vehicle in which a pump (10b) draws fluid from a reservoir (10a) to supply one or more first consumers, such as steering valve (50). One of more second consumers, such as a clutch actuator (12), are actuated via a solenoid valve ...
03/17/1998
5709064Method and device for covering crop bales
A method and device for attaching a covering sheet material on top of a row of crop bales positioned in end to end relationship on a raised earthen mound. An elongated needle is used to insert strands of tie material under the bales and then the tie mater...
01/20/1998
5701655Method and apparatus for making brake shoes
A method and apparatus for producing an arcuate brake shoe from a first strip of material which is to provide a web of the shoe and has a plurality of projections extending from one edge and a second strip which has a plurality of corresponding openings t...
12/30/1997
5697845Twin mass flywheel sub-assembly for a motor vehicle
A twin mass flywheel sub-assembly comprising a pair of axially spaced side plates for connection with an associated first flywheel mass, a force transmitting member for connection with an associated second flywheel mass and being disposed at least partial...
12/16/1997
5687754Automatic drain valve with internal pressure booster valve
An automatic float-activated drain valve for a liquid reservoir used in the accumulation of condensable materials and other contaminants from pneumatic systems and the like. The float is connected by a flexible tether to a lever arm which opens a pilot va...
11/18/1997
5679098Clutch control system
A clutch control system for the automatic control of a motor vehicle clutch (14) which connects an engine (10) with a gearbox (12) under the control of a driver-operated gear ratio selector lever (24). The control system includes an electronic control uni...
10/21/1997
5636518Operating mechanism for a hydraulic master cyclinder
An operating lever mechanism for a master cylinder which includes a mounting bracket (12) and a lever (23) mounted on the bracket trough a pivot pin (22). The lever is connected to a master cylinder actuating rod (25) and the pivot pin (22) is adjustably ...
06/10/1997
5626534Clutch control system
A clutch control system for the automatic control of a motor vehicle clutch which connects an engine with a gearbox under the control of a driver-operated gear ratio selector lever. The control system includes an electronic control unit which controls ini...
05/06/1997
5615527Fabricated roof tile
A roof tile formed of a sheet metal, preferably steel, in which the sheet material tile is strengthened by integral flanges (11) raised bosses (14) and depressions (15). The raised bosses (14) in use act as supports between one tile and an overlapping por...
04/01/1997
5609073Camming differential with oil pump means
A differential mechanism (10) having two output cam members (16, 17) rotatable about an axis (A) each cam member having an annular cam surface of undulating form comprising pairs of mutually inclined surfaces (24, 25; 26, 27). The inclined surfaces are en...
03/11/1997
5604969Method of manufacturing hydraulic actuators
A method of manufacturing a hydraulic actuator body such as, for example, a brake wheel cylinder or a clutch or brake master cylinder. The method includes the steps of forming a basic actuator body having at least one spigot projecting externally therefro...
02/25/1997
5595550Clutch control system
A clutch control system for the automatic control of a motor vehicle clutch which connects an engine with a gearbox under the control of a driver-operated gear ratio selector lever. The control system controls both initial clutch take-up on starting of th...
01/21/1997
5560268Differential mechanism with lockable rotatable cam members
A differential mechanism having two output cam members rotatable about an axis (X--X), each cam member having a single annular frustoconical cam surface thereon of undulating form comprising pairs of mutually inclined surfaces and a plurality of cam follo...
10/01/1996
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
5557986Differential mechanism
A differential mechanism has two output cam members rotatable about an axis, each cam member having a single annular cam surface of undulating wave form comprising equal numbers of pairs of mutually inclined surfaces. A plurality of cam followers having e...
09/24/1996
5557984Twin mass flywheel
A twin mass flywheel for a vehicle comprising two co-axially arranged relatively rotatable masses interconnected by a plurality of pivotal linkages. Each linkage comprises a first link pivotally connected to one flywheel mass, a second link pivotally conn...
09/24/1996
5551549Friction facing and carrier assembly
A friction material facing and carrier assembly (10) for a clutch driven plate in which at least one annular friction facing (20A) is secured to the carrier (11) by stripes (24A, 24B, 24C, 24D) of adhesive elastomeric material which are coaxial with the f...
09/03/1996
5542316Cam type gearless interaxle differential mechanism
A differential mechanism having two output cam members rotatable about an axis, each cam member having a single annular cam surface of undulating form comprising pairs of mutually inclined surfaces. The inclined surfaces are engaged by end surfaces of fol...
08/06/1996
5518099Friction clutch driven plates
A friction clutch drive plate having a hub and friction facings which face in opposite directions, the friction facings each being mounted on a respective coaxial carrier plate. At least one, and preferably both of the carrier plates is rotatable about th...
05/21/1996
5505286Friction clutch
A motor vehicle friction clutch having a flywheel, an annular plate attached coaxially to the flywheel and rotatable with the flywheel and which is biased away from the flywheel by a first spring; a clutch cover assembly secured to the flywheel and compri...
04/09/1996
5494143Multiplate clutch
A friction clutch having a flywheel, a cover fixed to the flywheel, a plurality of fiction plates which are biased together by a spring acting between the cover, and a pressure plate to clamp the friction plates together between the flywheel and the press...
02/27/1996
5489012Clutch control system
A system for preventing a vehicle from running away downhill and for ensuring a smooth take-up from rest, in which signals proportional to engine speed (Ve) and vehicle speed (Vdp) are used. The engine speed signal is compared with a reference signal (Vs)...
02/06/1996
5488895Clutch slave cylinder
A clutch hydraulic slave cylinder comprising a cylinder body, a primary piston sealingly reciprocable relative to the body and co-operating with the body to form a first fluid chamber within said body, and a secondary piston sealingly reciprocable relativ...
02/06/1996
5477944Brake caliper with plural cylinders and friction pads
A disc brake caliper has two limbs which, in use, straddle an outer periphery of a brake disc to support friction pads on each side of the disc. Each caliper limb supports at least two friction pads arranged side by side in a circumferentially sequential ...
12/26/1995
5477682Hydraulic master cylinder and reservoir assembly
A hydraulic master cylinder and reservoir assembly having a master cylinder body with a fluid reservoir, and a master cylinder bore with a piston assembly sealingly reciprocal within the bore. The fluid reservoir has at least a portion thereof concentric ...
12/26/1995
5461941Self-locking differential gear
A differential mechanism having two output cam members, each having a single annular cam surface with pairs of inclined surfaces. Relative contra rotation of the output cam members cause cam followers to slide axially, and a housing engages the cam follow...
10/31/1995
5460846Process and apparatus for rapidly carbonating a liquid beverage using a single pressure vessel
A beverage carbonator constructed as a pitcher shaped pressure vessel which functions as a carbonation chamber and which has a water canister and a gas generation chamber removably positioned inside the carbonation chamber. Carbon dioxide is produced by r...
10/24/1995
5454768Clutch control system
A clutch control system for a motor vehicle having an engine (10), a gearbox (12) having a plurality of gear ratios, and a clutch (14) providing a drive connection between the engine and the gearbox. The control system includes a clutch actuation means (2...
10/03/1995
5443143Clutch release apparatus
A hydraulic annular slave cylinder (16) for a motor vehicle clutch having an annular body (21) with inner and outer cylindrical sidewalls (22, 23) having a fluid chamber (55) formed therebetween. The inner sidewalll (22) extends axially beyond the outer s...
08/22/1995
5427215Clutch control system
A clutch control system having an engine speed sensor (26) for monitoring the speed of an engine (10), a clutch actuation sensor (34) for monitoring the operation of a clutch slave cylinder (22), a throttle position sensor (30) and a control unit (36) rec...
06/27/1995
5418610Distance indicating mirror
A vehicle mirror having an image reflecting surface and a distance indicating light reflective indicia of contrasting reflectivity to the image reflecting surface, the indicia being located in such a position on the mirror that when a just passed vehicle ...
05/23/1995
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