Viscous coolant heater with variable coolant pump drive
US9623720B2 · kind B2 · utility
5Cited by
45References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2013 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Sep 26, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/5041
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle heating system having a first viscous clutch and a pump and viscous clutch mechanism. The first viscous clutch has a first clutch input member. The pump and viscous clutch mechanism has a pump and a second viscous clutch. The pump includes a pump input member, while the second viscous clutch includes a second clutch input member. One of the pump input member and the second clutch input member is drivingly coupled to a portion of the first viscous clutch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.