Composite housing for rack and pinion power steering gear
Patent
·
OSTI ID:6422318
This patent describes a composite housing for a rotary valve rack and pinion power steering gear comprising: a pinion housing portion fabricated from a light weight first metal, means on the pinion housing portion defining a pinion bore aligned on a pinion axis of the pinion housing portion, a right circular cylindrical valve housing portion fabricated from a second metal more dense and abrasion resistant than the first metal, means defining a counterbore in an end surface of the pinion housing portion around an end of the pinion bore having an inner cylindrical surface aligned on the pinion axis, means defining an injection molding passage in the pinion housing portion, means defining a first annular groove in the inner cylindrical surface of the counterbore connected to the injection molding passage, means defining an annular neck on the valve housing portion having an outer cylindrical surface, means on the valve housing portion defining a second annular groove in the outer cylindrical surface.
- Assignee:
- General Motors Corp., Detroit, MI
- Patent Number(s):
- US 4788877
- OSTI ID:
- 6422318
- Country of Publication:
- United States
- Language:
- English
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