Pump pressure limiting engine speed control
US7255539B1 · kind B1 · utility
4Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2003 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Jan 8, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D15/0209
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sprinkler system for building includes an internal combustion engine which operates a water pump. The water pump in turn forces water through pipes to sprinkler heads. The engine is at least in part controlled by a throttle control mechanism which includes a spring biased piston which is moved in response to the output pressure of the pump. This prevents the pump from exceeding the rated pressure of the system components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.