Housing for a drive device, drive device and method for testing the tightness of a pressure compensating membrane
US8356520B2 · kind B2 · utility
24Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2009 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Mar 10, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a housing (2) for a drive device, especially for an adjusting device and/or a windshield wiper drive in a motor vehicle, comprising a pressure compensating membrane (4) obturating a housing opening (7). The invention is characterized in that the pressure compensating membrane (4) has a peripheral sealing surface (11) which extends continuously in the direction of circumference. The invention further relates to a drive device and to a method for testing the operativeness of a pressure compensating membrane (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.