Inlet port opening for a roots-type blower
US5078583A · kind A · utility
23Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1990 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | May 25, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C18/16
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rotary positive displacement blower (10) of the Roots-type includes an improved inlet port opening (28 or 100, or 150) and an inlet duct (30) and a bypass duct (31) formed in an unitary housing member (14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.