Inventor

BULGRIEN GARTH H

US37 patents

⚠️ This page may combine multiple inventors who share the name “BULGRIEN GARTH H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BULGRIEN GARTH H

FORD NEW HOLLAND INC

Clutch pressure control based on output shaft speed

Shuttle shift transmissions

Method of overriding ratio matching feature in power shift transmissions

Power shift transmission shift pattern

Method of calibrating clutches in transmissions

Method of decelerating a power shift transmission

Medium speed transmission shuttle shifting

Slipping clutch creeper

Method of controlling inching clutches

Inching clutch compensation for centrifugal effects

Method of controlling clutches

Programmable shuttle shifting in transmissions

High speed deceleration of a power shift transmission

Powershift transmission with overlapping ranges of ratios

DIX PETER J

Shuttle shifting for a continuously variable transmission

Method for estimating and controlling driveline torque in a continuously variable hydro-mechanical transmission

Proportional parking brake control in cooperation with operation of a continuously variable transmission

Method of calibration of a hydraulically operated clutch of a continuously variable transmission using pressure between a hydrostatic pump and motor

System and method for controlling a continuously variable transmission during a shuttle shift

Method of calibration of a park brake of a continuously variable transmission

CNH AMERICA LLC

Smoothly shifting multispeed transmission

Transmission shift control for selecting forward, reverse, neutral and park, and method of operation of the same

Detecting clutch slippage to measure drive line torque for clutch control during power shifts

Control system for a vehicle system with a continously variable transmission

Automatic calibration of a torque measuring system

NEW HOLLAND NORTH AMERICA INC

Automatic clutch engagement controlled by engine speed

Windrower header speed control

Clutch engagement modulation to control acceleration

Measurement of rotational velocity and torque

Electro-hydraulic clutch hysteresis compensation

CNH IND AMERICA LLC

Torque estimation for work machine power train

Method of transmission control in order to protect clutches from damage

Relating to dual-clutch transmissions

System and method of controlling shifts of an electronically controlled mechanical transmission of a vehicle

GUO HAIBO

Method of using feedforward compensation based on pressure feedback for controlling swash plate angle in a hydrostatic power unit of a continuously variable transmission

DIX PETER JOHN

Apparatus and method for inching using a continuously variable transmission

BULGRIEN GARTH H

Shuttle strategy for vehicles with electronically controlled transmissions and engines