Multiple piece piston
US11555470B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2021 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Sep 20, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/782
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The subject matter of this specification can be embodied in, among other things, an assembly that includes a piston having a piston inner surface defining a cylindrical cavity and includes a first axial portion, a piston face at a first end of the first axial portion, a second axial portion at a second end of the first axial portion, and a helical piston thread defined upon the piston inner surface, a bushing configured to contact the piston inner surface, and a lock nut configured to engage the piston and the bushing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.