F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
230/102, 103/74
F01C 1/08 (2006.01) F01C 1/20 (2006.01) F04C 18/00 (2006.01)
Patent
CA 1065823
Abstract of the Disclosure A rotary engine for use as a fluid motor or pump which employs a rotor carrying pistons that are adapted to rotate within a circular chamber. A working fluid is introduced into and exhausted from the chamber through inlet and outlet ports provided on opposite sides of the rotary blocking valve. The blocking valve is formed with a concaval recess and is driven to turn con- jointly with the pistons so that the latter are success- ively enveloped within and move across the blocking valve. The inlet port and blocking valve are arranged to provide an?effective pressure stroke of greater than 120° for a three piston engine to prevent stalling and deadspots in the engine's operation. The engine is dynamically bal- anced for high speed operation in the manner of a turbine. Close-spaced, clearance between the piston and chamber walls is provided. Fluid leaks at a con- trolled rate around the pistons to form a backpressure in the trapped volume ahead of the pressurized volume. Fluid leakage around the rotor is controlled due to back pressure developed in the pressure sealed housing en- closing the elements.
232593
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