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Title: Piston reciprocating compressed air engine

Patent ·
OSTI ID:6619508

A compressed air engine is described comprising: (a). a reservoir of compressed air, (b). two power cylinders each containing a reciprocating piston connected to a crankshaft and flywheel, (c). a transfer cylinder which communicates with each power cylinder and the reservoir, and contains a reciprocating piston connected to the crankshaft, (d). valve means controlled by rotation of the crankshaft for supplying compressed air from the reservoir to each power cylinder and for exhausting compressed air from each power cylinder to the transfer cylinder, (e). valve means controlled by rotation of the crankshaft for supplying from the transfer cylinder to the reservoir compressed air supplied to the transfer cylinder on the exhaust strokes of the pistons of the power cylinders, and (f). an externally powered fan for assisting the exhaust of compressed air from each power cylinder to the transfer cylinder and from there to the compressed air reservoir.

Assignee:
NOV; NOV-87-053333; EDB-87-080851
Patent Number(s):
US 4651525
OSTI ID:
6619508
Resource Relation:
Patent File Date: Filed date 29 Oct 1985
Country of Publication:
United States
Language:
English