Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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F02B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
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33/00
Engines characterised by provision of pumps for charging or scavenging
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F02B33/02
Engines with reciprocating-piston pumps; Engines with crankcase pumps
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F02B33/06
with reciprocating-piston pumps other than simple crankcase pumps
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F02B33/10
with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
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F02B33/12
the rear face of working piston acting as pumping member and co-operating with a pumping chamber isolated from crankcase, the connecting-rod passing through the chamber and co-operating with movable isolating member
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