Electrothermally operated actuator and seal
US5040368A · kind A · utility
2Cited by
7References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 17, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Sep 17, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03G7/06112
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An improved actuator of the type in which a piston is translatable in a piston housing in response to an expandable working fluid in fluid communication with one end of the piston. An improved sealing assembly prevents leakage of working fluid from the piston housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.