Windshield washer pump with breather hole cover
US8221099B2 · kind B2 · utility
0Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2008 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Dec 15, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B17/03
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid pump assembly is disclosed for performing in a damp environment. A pump member is provided that drives a quantity of fluid. A pump housing encloses the pump member and includes a breather hole for circulating cooling air around the pump member during operation. A cover is provided that substantially covers the breather hole and defines a tortuous path that enables air to circulate through the breather hole while preventing entry of water thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.