Electric motor-driven, double-acting pump having pressure-responsive actuation
US4009971A · kind A · utility
45Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1974 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Aug 27, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B53/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A double acting pump is operated by a crank that is powered through a gear train driven by an electric motor. An adjustable pressure sensing device is used to control operation of the pump. A single motor, double pump embodiment is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.