Electric drive pump
US5336063A · kind A · utility
8Cited by
15References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1993 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Apr 29, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B2203/0209
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric drive pump is designed for use in hazardous environments. The assembly is housed, including the motor controller and power supply, in an explosion proof housing. The rotary output of the motor has a cam thereon which is bracketed by a pair of followers attached to the reciprocating pump. If desired, a polytetrafluoroethylene stick is spring biased against one of the followers so as to provide lubrication to the assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.