Tamper resistant adjustment valve for a charge forming device
US11118536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2019 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Dec 10, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/44
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In at least some implementations, a valve for a charge forming device, includes a needle having a first end and a second end, and a valve body. The valve body has an axis extending between a first end and a second end, and a cavity open to the second end and in which part of the needle is received with the second end of the needle extending out of the second end of the valve body. The valve body also has a projection extending axially from the first end of the valve body to a free end of the projection, and the valve body has at least one drive surface axially spaced from the free end, the drive surface extends axially and radially.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.