Noise control device for a solenoid-actuated valve
US5174334A · kind A · utility
14Cited by
18References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 1989 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | May 23, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87217
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A noise control device for a solenoid-actuated valve in a four-speed automatic transmission which slows the velocity of the valve upon actuation and reduces impact noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.