US PATENT SUBCLASS 417 / 78-- .~.~ Entrainment at exit of impeller

US PATENT SUBCLASS 417 / 78
.~.~ Entrainment at exit of impeller

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

Internet Version by PATENTEC © 1999 Terms of Use

417 /	HD	PUMPS

65	DF	ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
76	DF	.~ Jet pump with motive fluid generating pump {4}
78		.~.~ Entrainment at exit of impeller

DEFINITION

Classification: 417/78

(under subclass 76) Apparatus provided with a rotary impeller which acts to project motive fluid therefrom, the exit of the impeller acting as the motive fluid nozzle and being disposed in the area of entrainment.

(1) Note. This definition excludes an impeller whose discharge is confined by a passage which acts as the motive fluid nozzle. See subclass 84.

SEE OR SEARCH THIS CLASS, SUBCLASS:

66+, for pumping one fluid by contact or entrainment with another wherein the contact or entrainment occurs within a rotary impeller.