Control system for a four wheel drive vehicle
Patent
·
OSTI ID:7195698
A control system is described for a four wheel drive vehicle, comprising: a first sensor for detecting a rotational frequency of a front propeller shaft; a second sensor for detecting a rotational frequency of a rear propeller shaft; a control circuit for determining the rotational frequency difference between the front propeller shaft and the rear propeller shaft and for generating control signals relative to a predetermined set point; a contact actuated by the control circuit; the vehicle including an automatic shift type four wheel drive; and the control circuit preventing engagement of the four wheel drive when the frequency difference is greater than the predetermined set point.
- Assignee:
- Aisin Seiki Kabushiki Kaisha, Kariya
- Patent Number(s):
- US 4621707
- OSTI ID:
- 7195698
- Resource Relation:
- Patent File Date: Filed date 20 Feb 1985
- Country of Publication:
- United States
- Language:
- English
Similar Records
Four-wheel drive system
Vehicle front wheel assist drive overspeed control system
Control system for intermediate differential in four-wheel drive vehicle
Patent
·
Tue Apr 18 00:00:00 EDT 1989
·
OSTI ID:7195698
Vehicle front wheel assist drive overspeed control system
Patent
·
Tue Jan 13 00:00:00 EST 1987
·
OSTI ID:7195698
Control system for intermediate differential in four-wheel drive vehicle
Patent
·
Tue Sep 01 00:00:00 EDT 1987
·
OSTI ID:7195698