US PATENT SUBCLASS 418 / 111
.~ By axially relatively moving vane or abutment sections


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

Internet Version by PATENTEC © 1999      Terms of Use



418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

104  DF  WITH MECHANICAL SEALING {14}
111.~ By axially relatively moving vane or abutment sections


DEFINITION

Classification: 418/111

(under subclass 104) Apparatus wherein a vane or an abutment comprises a plurality of axially movable portions of substantial dimension having end surfaces movable into sealing relationships with respective cylinder sides.

(1) Note. A vane or abutment provided with axially movable seal means at its ends to engage the cylinder sides is not considered to comprise a plurality of axially movable portions of substantial dimension and is classified in the appropriate sealing subclasses below.