Two stage vacuum break assembly
US4178895A · kind A · utility
2Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1978 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Apr 17, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M1/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid motor or vacuum break device for use with the carburetor of an internal combustion engine in which an output plunger of the motor moves in two stages in succession with a period of delay therebetween in response to variable pressure in the form of vacuum from the intake manifold of an engine. Upon admission of vacuum pressure to a variable pressure chamber a diaphragm assembly moves in a first stage after which there is a period of delay and the diaphragm assembly and plunger moves in a second stage together with a movable wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.