Enigne-driven work machine
US7744503B2 · kind B2 · utility
15Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2007 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Aug 30, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine-driven work machine having a target engine speed selection unit and a control unit. The target engine speed selection unit selects and specifies an arbitrary target engine speed from among a plurality of target engine speeds that is set in stepwise fashion. The control unit electrically controls the opening and closing of a throttle valve so that the actual engine speed conforms to the specified target engine speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.