Charge forming device
US3991731A · kind A · utility
6Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 1974 |
| Grant date | Nov 16, 1976 |
| Priority date | — |
| Expiry date | Jun 21, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M1/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A carburetor has a choke control device that acts in connection with a thermoplastic control to permit the carburetor choke valve to be closed during starting but provides a controlled gradual opening of the choke valve after starting. The device includes a self-cleaning purge feature for continual cleaning of the device. A simple one way choke valve device and precision by-pass give exact control of the choke opening. A back pressure valve is provided to prevent back fire damage to the unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.