Internal-combustion engines – With heating means
Patent
1984-07-30
1985-06-04
Bennett, Henry
Internal-combustion engines
With heating means
237 123C, 126350A, 126365, F02N 1702
Patent
active
045207690
ABSTRACT:
An engine preheating system comprising a pair of oppositely disposed burner devices operated by propane gas, a pair of oppositely disposed cylindrical combustion chambers with a cylindrical coolant jacket therearound, and a central cylindrical stack connected to the combustion chambers with a coolant jacket therearound connected to the other coolant jacket.
REFERENCES:
patent: 1783289 (1930-12-01), Hopkins
patent: 1871008 (1932-08-01), Rentz
patent: 2180663 (1939-11-01), Bergeron et al.
patent: 2623511 (1952-12-01), Welin-Berer
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