Double orifice piston cooling nozzle for reciprocating engines
US4206726A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1977 |
| Grant date | Jun 10, 1980 |
| Priority date | — |
| Expiry date | Jul 18, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P3/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A reciprocating engine including a block having at least one cylinder therein, a piston reciprocally received in the cylinder and having a crown, a depending skirt and a ring-receiving groove on the skirt near the crown. The piston has a central cavity terminating near the crown and a coolant-receiving passage in heat exchange relationship to the groove. A nozzle is stationarily mounted on the engine and has first and second jets, the first jet directing coolant to the cavity and the second jet directing coolant to the coolant-receiving passage, both for all operating positions of the piston within the cylinder. A filtered oil supply for the nozzle is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.