Internal-combustion engines – Charge forming device – Auxiliary air or gas used to inject fuel
Reexamination Certificate
2007-08-07
2007-08-07
Argenbright, T. M. (Department: 3747)
Internal-combustion engines
Charge forming device
Auxiliary air or gas used to inject fuel
C123S531000
Reexamination Certificate
active
11234260
ABSTRACT:
A structure for supplying assist air to an air-fuel mixture injection valve including a device for limiting the intake air taken by a compressor, whereby a drive force of the compressor required for compressing air is reduced, and fuel efficiency is achieved. The structure includes an inlet port of the compressor and a venturi member of an air-intake pipe brought into communication via an inlet channel. The air in the air-intake pipe is regulated by the venturi member through the inlet channel by driving the compressor and is taken to the compressor. Air compressed in the compressor is supplied through a high-pressure air channel to the air introduction portion of the fuel injection valve device, where fuel injected from the fuel injection valve and high-pressure air supplied to the air introduction portion are mixed to air-fuel mixture, and the air-fuel mixture is injected by the air-fuel mixture injection valve.
REFERENCES:
patent: 4962745 (1990-10-01), Ohno et al.
patent: 6899089 (2005-05-01), Shiraishi et al.
patent: 6955161 (2005-10-01), Suzuki et al.
patent: 2938992 (1999-06-01), None
Argenbright T. M.
Birch & Stewart Kolasch & Birch, LLP
Honda Motor Co. Ltd.
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