Switching device
US4269033A · kind A · utility
13Cited by
6References
3Claims
0Family size
Inventor
Key dates
| Filing date | Jan 30, 1980 |
| Grant date | May 26, 1981 |
| Priority date | — |
| Expiry date | Jan 30, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60H1/3208
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A means and method for reducing and/or eliminating the drag and power loss imposed on a vehicle engine by air conditioning that is driven thereby, during selected load and power demand situations, both to conserve and have added power available and to provide improved fuel economy, and which includes; a vacuum responsive switching device provided in the electrical line operative of the air compressor clutch, means for readily adjusting the responsiveness of said switch to different and varying load conditions, and use of a fast idle connection that is inoperative when the air conditioner compressor is cut-out and also inoperative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.