Internal-combustion engines – Combustion chamber means having fuel injection only – Combustible mixture stratification means
Patent
1998-08-10
2000-03-07
Argenbright, Tony M.
Internal-combustion engines
Combustion chamber means having fuel injection only
Combustible mixture stratification means
123 73C, F20B 2310, F20B 1700
Patent
active
060326387
ABSTRACT:
A number of embodiments of direct injected V-type outboard motors provided with a very effective fuel supply system wherein the number of components can be significantly reduced as well as the elimination of many of the flexible conduits normally employed. This also permits the fuel system to be assembled as a relatively unitary assembly that can be then affixed to the engine. The arrangement is such that purging of the system from vapors during shutdowns is easily accomplished and the system can be purged without complicated construction. Furthermore, the system can be pressure tested by an arrangement where the low pressure system can bypass the high pressure system when the engine is not operating so as to be pressurized for testing purposes. However, when the high pressure system operates, then the bypass line will be closed by the shunting valve arrangement. The direct injection system permits operation with two cycle engines even under low load and speed conditions by using residual gasses to assist in fuel vaporization. The high pressure pump and its drive are also provided with a cooling system.
REFERENCES:
patent: 4949689 (1990-08-01), Schlunke
patent: 5020485 (1991-06-01), Watanabe
patent: 5553579 (1996-09-01), Yoshida et al.
patent: 5762040 (1998-06-01), Taipale et al.
Argenbright Tony M.
Castro Arnold
Sanshin Kogyo Kabushiki Kaisha
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