About 95 results
https://drivepatents.com/patents/1108299 · 28 Nov 2001
A control system/method to minimize unwanted shifts in an automated mechanical transmission system (12). Initiation of shifts are prohibited unless throttle position (THL) has achieved a substantially steady-state value (¾(d/dt(THL))¾
https://drivepatents.com/patents/1108275 · 28 Nov 2001
An improved regulator valve 10 for controlling the purging of fuel vapors collected in a canister 12 and an evaporative emission control system into an intake system 18 of an internal combustion engine employs a solenoid valve assembly 40 with an armature ...
https://drivepatents.com/patents/1108609 · 14 Nov 2001
A pair of solid state pressure sensors are disposed near the bottom of a fuel tank vertically spaced with one a unit distance above the other. A third solid state sensor is disposed in the tank at the highest point under the upper wall. The apparent hydros...
https://drivepatents.com/patents/1108739 · 7 Nov 2001
A method/system for controlling upshifting in an automated mechanical transmission system (10) utilized on a vehicle preferably having an ECU (28) controlled engine brake (ECB) or inertia brake (26). When an upshift from a currently engaged ratio (GR) is r...
https://drivepatents.com/patents/1108708 · 7 Nov 2001
A control for a vehicle drive line system (10) including an automated vehicle dry master clutch (14) drivingly interposed in between a fuel-controlled engine (12) and the input shaft (20) of a mechanical transmission. When engaged in a start ratio and at s...
https://drivepatents.com/patents/1108876 · 31 Oct 2001
A controller-assisted, manually shifted transmission system (10) utilizes a shift inhibit mechanism (48) to inhibit out-of-synchronous shifts and unintended disengagement of ratios. An intent to shift (ITS) and target ratio (GRT) are determined from a shif...
https://drivepatents.com/patents/1108853 · 31 Oct 2001
A control system/method for a controller-assisted, manually shifted transmission system senses incomplete jaw clutch engagement and causes the engine to dither about zero driveline torque to allow the vehicle operator to fully engage the engaging jaw clutc...
https://drivepatents.com/patents/1109450 · 10 Oct 2001
A shift control system is provided that is suitable for semi-automatic transmissions in heavy duty vehicles. The torque modulation system includes logic circuitry that employs a ramping torque function or algorithm to control the acceleration of torque, bo...
https://drivepatents.com/patents/1110187 · 19 Sep 2001
A control method/system for controlling range section (14) shifting in a range-type transmission (10) having a "repeat-H" (200) or "double-H" (202) shift mechanism. Under certain conditions, a shift into an operator-selected target ratio (GRT) is unaccepta...
https://drivepatents.com/patents/1110157 · 19 Sep 2001
An electrically operated throttle valve assembly 110, 210 having a throttle shaft 18, 218 with a portion extending exteriorly of the throttle body 12. Rotor 166, 266 is mounted on the extending portion of shaft 18, 218. A housing 80 concentrically surround...