Injection system with an emergency operation function and an...

Details Injection system with an emergency operation function and an... Injection system with an emergency operation function and an...

2005-09-27

2005-09-27

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S1980DA

Reexamination Certificate

active

06948480

ABSTRACT:
An injection system for an internal combustion engine comprises a pump (1), a pressure accumulator (3), a sensor (7) for detecting the pressure in the pressure accumulator (3), a control valve (2) and a control or regulation unit (8). The control or regulation unit controls the pressure in the pressure accumulator (3) by opening or closing a connection to a low-pressure area (6). The control or regulation unit has an emergency operation function, which operates in such a way that when an error occurs in the regulator circuit, the control valve adopts the open position.

REFERENCES:
patent: 4474158 (1984-10-01), Mowbray
patent: 5937826 (1999-08-01), Olson et al.
patent: 6024064 (2000-02-01), Kato et al.
patent: 6253734 (2001-07-01), Rembold
patent: 0 474 168 (1991-09-01), None
patent: WO 00/49283 (2000-08-01), None

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