Rotary piston engine

Details Rotary piston engine Rotary piston engine

2005-03-22

2005-03-22

Denion, Thomas (Department: 3748)

Internal-combustion engines

Rotary

With transfer means intermediate single compression volume...

C123S238000, C123S246000, C418S196000, C418S227000

Reexamination Certificate

active

06868822

ABSTRACT:
A non-reciprocating engine comprising a hollow cylindrical shaft driver (13) located in a cylindrical stator cavity (14) of a stator. A number of expansion chambers (43) form between the outer wall of the shaft driver, the stator wall and movable dividers (25) which extend from the stator to bear on the shaft driver. The expansion chambers expand and contract during operation of the engine. An output shaft passes centrally through the stator cavity and shaft driver and has offset bearings (34) which bear on the inside surface of the shaft driver. Inlet ports in a removable inlet end plate of the stator allow pressurised air or air/fuel mixture, for example, to be introduced into the expansion chambers. Sequential expansion and contraction of the chambers around the circumference of the shaft driver causes a combination of orbital and rotational movement of the shaft driver and consequential rotation of the output shaft. The shaft driver rotates at only a fraction of the speed of rotation of the output shaft (in the order of {fraction (1/10)}th-{fraction (1/20)}ththe speed of rotation of the output shaft). One orbit of the shaft driver is equivalent to one rotation of the output shaft.

REFERENCES:
patent: 2198130 (1940-04-01), Schweiger
patent: 2418793 (1947-04-01), Selden
patent: 2742882 (1956-04-01), Porter
patent: 2920814 (1960-01-01), Breelle
patent: 3322103 (1967-05-01), Dirnberger
patent: 3584984 (1971-06-01), Majkowski et al.
patent: 3799126 (1974-03-01), Park
patent: 3935840 (1976-02-01), Fisher
patent: 4057035 (1977-11-01), Su
patent: 988035 (1976-04-01), None
patent: 3321631 (1984-12-01), None
patent: 2077857 (1981-12-01), None

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