Automatic choke
US4382043A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1979 |
| Grant date | May 3, 1983 |
| Priority date | — |
| Expiry date | Oct 4, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B1/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an automatic electrical choke, disposed inside the intake system of a gasoline engine, consisting of a bimetallic helical spring the movable end of which has an eyelet for operating the choke valve, while its second end is fastened on a fixed fastening element which is mounted inside a case, which fastening element has a ground connection and is connected electrically and thermally conducting with at least one electrical heating element with positive temperature coefficient, which is electrically connected to a current source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.