Fuel injection arrangement with ignition plug function
US5730100A · kind A · utility
Inventor
Key dates
| Filing date | Apr 24, 1997 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Apr 24, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P15/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Arrangement (2) for fuel injection and ignition of a fuel/air mixture in the combustion chamber (6) in a cylinder (10) provided with a reciprocating piston (8) in a combustion engine. The arrangement includes a tubular retaining body (32) which constitutes an insulator and which is fastenable in the engine cylinder head (14), and a tubular valve housing (44) which runs axially through the retaining body and which has running through it a valve needle (48) with central fuel supply passage (50), and the end (44) of the valve housing (44) in the combustion chamber constitutes a free end provided with a valve seat (52) which accommodates a valve element (54) which is fastened in the end of the valve needle and can be applied to the seat. The valve housing (44), the valve needle (48) and the valve element (54) form together a central electrode in a single-pole ignition plug, the second electrode of which is an electrode (30) firmly attached to the piston (8) or to the cylinder (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.