Apparatus and engine to provide power to the apparatus
US5025770A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 7, 1989 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Jul 7, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B1/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A combination of an apparatus (22) and an engine (30) to provide power to the apparatus, a vehicle (10) of the type having a hydraulic system for operating digging, excavating, or shovelling tools (16,21) for examples, the hydraulic system being pressurized by a pump (33) which is driven from the engine (30) of the vehicle, there being a fuel delivery system for providing fuel to the engine, and a sensing means (49) to sense operation of the apparatus, the fuel delivery system comprising means (48) responsive to the sensing means (49) to provide a first quantity of fuel to the engine (50) when the apparatus (22) is being operated, and to provide a second, reduced, quantity of fuel to the engine (30) when the apparatus has not been operative for a predetermined delay time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.