Electrically driven oil pressured power steering apparatus
US4417640A · kind A · utility
9Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1981 |
| Grant date | Nov 29, 1983 |
| Priority date | — |
| Expiry date | Jul 20, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/065
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electrically driven oil pressured power steering apparatus is disclosed herein. The apparatus comprises an oil pump driven by an electric motor for supplying a working oil to a power cylinder, a control valve for controlling the supply of the working oil and a manipulating apparatus and an electronically operated on-off means which, in common, control a power supply to the electric motor. In the apparatus, a state of power steering is shifted to a state of manual steering in accordance with a stop of the electric motor effected by the electronically operated on-off means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.