About 97 results
https://drivepatents.com/patents/1085486 · 21 Jul 2004
A hydraulic master cylinder apparatus for a vehicle with a bar handle has: a master cylinder (4) having the center axis (6) of a cylinder body (7) having a cylinder hole (8); an operation lever (5) pivotally supported on the cylinder body (7); a push rod (...
https://drivepatents.com/patents/1085478 · 21 Jul 2004
A brake control apparatus for a vehicle having a brake pressure controlling unit (4) including normally-open-type electromagnetic valves (6A-6D) for preventing a fluid pressure transmitted from a master cylinder (M) to wheel brakes (2A-2D) when the valves ...
https://drivepatents.com/patents/1085582 · 21 Jul 2004
In a brake hydraulic controller (15) for controlling a hydraulic pressure from a master cylinder (M) operative to a wheel brake (BFL,BRR,BFR,BRL), the controller (15) includes a base (34), a normally open electromagnetic valve (VOFL,VORR,VOFR,VORL) mounted...
https://drivepatents.com/patents/1085787 · 7 Jul 2004
A hydraulic master cylinder (1;31) for vehicle has: a cylinder main body (2;32); a sleeve (10;33); a plurality of seal rings (19;49); a plug (11;34); a lid member (12;35) comprising the sleeve (10;33) and the plug (11;34); and a piston (16;46) inserted int...
https://drivepatents.com/patents/1086345 · 16 Jun 2004
A wheel speed calculation method wherein, when both rising and falling edges occur (A), the wheel speed is calculated using both the edges, when either of the edges does not occur (B or C), the wheel speed is calculated using both the edges in such a manne...
https://drivepatents.com/patents/1086765 · 2 Jun 2004
A brake fluid pressure maintaining apparatus (5) for a vehicle, having: a master cylinder (2); a check valve (23); and, a normally-open-type electromagnetic valve (6) including an electromagnetic coil (44), a fixed core (40), and a movable core (41), and i...
https://drivepatents.com/patents/1087084 · 26 May 2004
In a proportional booster valve V, a primary reaction piston 37 and a secondary reaction piston 38 are provided between a control piston 23 which faces at one end thereof toward a control pressure chamber 25 into which hydraulic pressure outputted from a p...
https://drivepatents.com/patents/1087356 · 6 May 2004
A resin piston for center-valve-type hydraulic master cylinder is movably inserted into a cylinder hole of the hydraulic master cylinder and defines a hydraulic pressure chamber to the cylinder hole. A recessed groove (17) is formed on the hydraulic pressu...
https://drivepatents.com/patents/1087862 · 21 Apr 2004
A ventilation hole (14) is provided at the sidewall of a lead tube (2e) suspended inside a reservoir chamber (5), higher than a filter (13) arranged inside the lead tube. The ventilation hole is arranged higher than the liquid upper limit level.
https://drivepatents.com/patents/1088401 · 31 Mar 2004
The device has a determination-permission deciding unit (4) that outputs a permission signal when the acceleration of a vehicle deviates from a preset. A determining unit (5) sets an abnormality determining region based on the estimated acceleration and de...