Electrically actuated pneumatically operated valve assembly
US5934642A · kind A · utility
7Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Aug 7, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/1655
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A butterfly water valve for a heater core has a vacuum motor attached to the water valve body with the vacuum motor connected to the butterfly valve crank. The vacuum motor housing has a well formed therein and a solenoid operated valve is quick connected in the well and is ported directly to the vacuum motor pressure chamber. The solenoid valve well communicates with a vacuum connector formed integrally with the vacuum motor housing. The vacuum motor housing is preferably formed of two shells welded together and sealing about the rim of a pressure responsive diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.