Combustion engine for hydrogen

Details Combustion engine for hydrogen Combustion engine for hydrogen

1991-02-07

1992-05-26

Okonsky, David A.

Internal-combustion engines

Miscellaneous

Fuels, lubricants and additives

123 59BS, 123289, 123DIG12, F02B 7512

Patent

active

051157683

ABSTRACT:
In order to improve a combustion engine for hydrogen comprising a main piston which is displaceable in a main cylinder in a stroke direction between a top dead center, forming a minimum main cylinder chamber with the main cylinder, and a bottom dead center and hereby performs a suction stroke, a compression stroke, a displacement stroke and an exhaust stroke, such that the problems of early ignition are avoided without any internal mixture formation with late injection being required, it is recommended that an auxiliary piston and an auxiliary cylinder be provided for movement relative to one another so as to be in equal phase and synchronous with the main piston and the main cylinder, that the auxiliary piston and the auxiliary cylinder define with one another a cylinder chamber varying between a minimum cylinder chamber in the top dead center and a maximum cylinder chamber in the bottom dead center, that the minimum cylinder chamber communicate with the minimum main cylinder chamber via a passage and that the hydrogen be injected into the cylinder chamber during the course of the suction stroke.

REFERENCES:
patent: 4069794 (1978-01-01), Jordan
patent: 4367698 (1983-01-01), Skala
patent: 4478180 (1984-10-01), Fujikawa et al.
patent: 4485779 (1984-12-01), Spurk
patent: 4508064 (1985-04-01), Watanabe
Patent Abstracts of Japan, No. 54-52203, vol. 3, No. 76 (M-64), Jun. 29, 1979.
Patent Abstracts of Japan, No. 57-83626, vol. 6, No. 172 (M-154), Sep. 7, 1982.

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