US PATENT SUBCLASS 91 / 498
.~.~ Cooperating valve ports in cylinder and relatively movable central member

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

472  DF  THREE OR MORE CYLINDERS ARRANGED IN PARALLEL RADIAL OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS {10}
491  DF  .~ Radially disposed cylinders {6}
498.~.~ Cooperating valve ports in cylinder and relatively movable central member

DEFINITION

Classification: 91/498

(under subclass 491) Apparatus in which there is provided a centrally located substantially cylindrically or conically shaped member having an axis from which the plural longitudinal cylinder axes radiate, said central member being provided with at least one motive fluid conveying passage terminating on the peripheral surface thereof, the central member and said plural cylinders being mounted for relative rotary movement and individual port means in continuous communication with each of said plural cylinders and cyclically communicable with the terminal portion of said motive fluid conveying passage as a result of said relative rotary movement.