Pump, in particular pneumatic pump
US9261092B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2013 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Dec 5, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B49/22
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising an inlet valve (30) that has a valve element (30a) which controls an inlet opening (30c), comprising an outlet valve (33) that has a valve element (33a) which controls an outlet opening (33c), comprising a pressure relief valve (43) that has a valve element (43a) which controls a pressure relief opening (43c) and on which a spring element (48) acts in the closing direction (31), and comprising a spring chamber (49) that receives the spring element. A stop element (51) which can be accessed from the housing outer face and which can be adjusted in the closing direction (31) is arranged in the spring chamber (49), the spring element (48) end that faces away from the closing direction resting against the stop element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.