Electrical control system for control of an automatic transmission apparatus

Patent · Tue Apr 04 04:00:00 EDT 1989

OSTI ID:5949705

Tury, E L

This patent describes an electrical control apparatus for control of an automatic transmission apparatus in a motor vehicle having a plurality of transmission states, including a motor adapted for upshifts and downshifts, the electrical control apparatus comprising: an operator input means for generating a desired transmission state signal corresponding to manual operator input; a transmission state sensing means for generating a present transmission state signal indicative of the state of the automatic transmission; a speed sensing means for generating a signal indicative of the speed of the motor vehicle; and a logic control unit connected to the motor, the operator input means and the transmission state sensing means for determining if the desired transmission state differs from the present transmission state signal.

• Assignee: NOV; NOV-89-066016; EDB-89-115518
• Patent Number(s): US 4817471
• OSTI ID: 5949705
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330602* -- Vehicle Design Factors-- Engine-Transmission Matching
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
AUTOMATION
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
DESIGN
ELECTRICAL EQUIPMENT
EQUIPMENT
MACHINE PARTS
MECHANICAL TRANSMISSIONS
OPERATION
SIGNAL CONDITIONING