Pump
US4311440A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 5, 1977 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Jan 5, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vacuum pump adapted to be used as a priming pump comprising a pump assembly and a motor assembly both of which are secured to a mounting head located therebetween. The motor assembly includes a housing and a motor shaft extending a substantial extent from the housing. The mounting head has a bore aligned with the central bore of the rotor of the pump assembly. The motor assembly is secured to the mounting head with the motor shaft extending through the bore in the mounting head into the central bore of the rotor for driving the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.