Double coil throttle return spring
US4582653A · kind A · utility
20Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1985 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Feb 28, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20534
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A double coil spring assembly to serve as a closing force for throttle valves of carburetors or throttle bodies, the spring assembly including an integral spool with inner and outer arbors supported on a closed end to separately support inner and outer coil springs, there being lands on the outer arbor to position axially the outer spring, and the inner spring as an installable component in the assembly of the carburetor or throttle body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.