Power plants – Internal combustion engine with structure rotating or... – Having means for compressing – generating or storing pressure...
Patent
1995-04-04
1996-06-25
Heyman, Leonard E.
Power plants
Internal combustion engine with structure rotating or...
Having means for compressing, generating or storing pressure...
60698, 60708, 12317931, 1231425R, 12317919, 123DIG8, F02B 7300, F02N 1500, F02N 904
Patent
active
055289010
ABSTRACT:
An auxiliary power assembly (5) for use with a heavy-duty diesel engine (8) of the type used in the trucking industry and including a small auxiliary diesel engine (9), an air compressor (10), a compressed air accumulator (17) fluid coupled to the air compressor (10), and a pneumatic starter (21) fluid coupled to the accumulator (17) and mechanically coupled to start the heavy-duty diesel engine (8). The auxiliary power assembly (5) further drives: a coolant pump (51) connected to circulate coolant between the auxiliary engine (9) and main diesel engine (8), a refrigerant compressor (41) formed to pump air conditioning fluid from the main diesel engine air conditioning system to the vehicle cab (70), and a pre-oiler pump (83) used to pressurize lubricating oil in the main engine (8). A method of operating the overall assembly and for retrofitting an existing heavy-duty diesel engine (8) with the auxiliary power assembly (5) also are disclosed.
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Auxiliary Power Dynamics, Inc.
Heyman Leonard E.
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