US PATENT SUBCLASS 415 / 121.3
COMBINED


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

Internet Version by PATENTEC © 1999      Terms of Use



415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

121.3COMBINED


DEFINITION

Classification: 415/121.3

COMBINED:

(under the class definition) Device comprising a runner* in combination with features not provided for above or in any other subclass, such features excluding means for the device's associated working fluid* distribution or control, casing* or housing structure, motion transmitting structure to or from the runner and its support shaft*, packing, bearing, or sealing assembly structure, and heat exchanging structure.

(1) Note. Examples of combined features include: an art device (other than a conducting means for the working fluid) serving as a support means or otherwise associated with the apparatus, a portable torge, a well packer or plug sealing the outside of a pump* casing to a surrounding conduit, etc.

(2) Note. See the main class definition for lines between this and other classes in regard to certain combined features.

SEE OR SEARCH THIS CLASS, SUBCLASS:

122.1+, for a device comprising specific shaft* transmission train, brake, clutch, or attendant actuated drive means.

169.1+, for a device including means for handling a portion separated from the working fluid, particularly subclass 169.2 wherein moisture or liquid is separated from a gaseous working fluid (e.g., condensate removal, etc.).

SEE OR SEARCH CLASS 166, Wells, appropriate subclasses, especially

101, 118+, 141, 142+, and 173 for the subcombination of a packer, an expanding anchor or a well screen. For a more detailed statement of the line, see the class definition of Class 166, Wells.

416, Fluid Reaction Surfaces (i.e., Impellers),

5, for illumination means combined with a runner where no confining or directing means for the fluid is claimed.