Water pump apparatus in an internal combustion engine
US4917052A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1989 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Jan 6, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/0413
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A water pump apparatus in an integral combustion engine of a water cooling type having a driving pulley fixed to one end of a crankshaft, and a driven pulley fixed to one end of a valve camshaft for driving the movable valve camshaft from the crankshaft via a timing belt has a water pump eccentrically providing a pump shaft axis relative to the valve camshaft axis, a pair of drive and driven gears provided with a suitable rotational ratio and respectively mounted on an end of the valve camshaft and one end of the pump shaft and engaged with each other, and a sliding bearing supporting the pump shaft and being inserted in a cylinder head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.