Rotary expansible chamber devices – Vane or abutment comprises rotatable element – Rotates about non-parallel axis
Patent
1991-05-07
1992-10-20
Bertsch, Richard A.
Rotary expansible chamber devices
Vane or abutment comprises rotatable element
Rotates about non-parallel axis
418227, 418233, 418234, 123243, F04C 236, F01C 136
Patent
active
051565412
ABSTRACT:
A positive displacement pump-motor-meter has a housing structure and a rotor disposed within and supported by the housing structure in a rotatable arrangement about an axis of rotation, wherein the combination of the housing structure and the rotor provides a toroidal cavity encircling the axis of rotation and having cross sectional area varying from a maximum value at the 12 o'clock position to a minimum value at the 6 o'clock position, which toroidal cavity houses a plurality of planar vanes disposed therealong in an axisymmetric arrangement about the axis of rotation and supported by the rotor member in a revolvable arrangement about respective axes of revolution, of wherein the revolving motion of each of the plurality of vanes about its respective axis of revolution is coupled to the rotating motion of the rotor about the axis of rotation in such a way that the vane revolves at an angular speed equal to one half of the angular speed of the rotor, whereby each of the plurality of planar vanes substantially fills up cross section of the toroidal cavity at all instances throughout the rotating motion thereof about the axis of rotation and, consequently, moves fluid media through an inlet port and an outlet port respectively open to the two opposite halves of the toroidal cavity in a positive manner. The above-described positive displacement apparatus can be converted into an internal combustion engine when a fuel injecting device and a spark plug are added thereto.
REFERENCES:
patent: 1279912 (1918-09-01), Roberts
patent: 2341710 (1944-02-01), Gingrich
patent: 3256832 (1966-06-01), Hartley
patent: 3636930 (1972-01-01), Okada
patent: 3895893 (1975-07-01), Sommer
patent: 4082485 (1978-04-01), Sommer
patent: 4646568 (1987-03-01), Lew
Bertsch Richard A.
Cavanaugh David L.
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