Hole type fuel injector and injection method
Patent
·
OSTI ID:5552855
This patent describes a hole type fuel injector. It includes: a nozzle body with an elongated valve bore, an annular valve seat and longitudinally spaced, upper and lower valve guides above the valve seat; an elongated nozzle needle valve in the valve bore having upper and lower guides which cooperate with the upper and lower valve guides for axial movement of the needle valve within the valve bore between a lower closed position in engagement with the valve seat and an upper fully open position with a predetermined lift; the nozzle body having a nozzle tip below the needle valve and enclosing the lower end of the valve bore and spray hole means connected to the valve bore below the valve seat; and the nozzle body providing an upper fuel chamber surrounding the needle valve between the upper and lower valve guide and valve seat; valve closure spring means biasing the needle valve downwardly into engagement with the valve seat.
- Assignee:
- Stanadyne Automotive Corp., Windsor, CT (USA)
- Patent Number(s):
- A; US 5020500
- Application Number:
- PPN: US 7-500714
- OSTI ID:
- 5552855
- Country of Publication:
- United States
- Language:
- English
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