The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 1991
Filed:
Jan. 04, 1990
Applicant:
Inventor:
Edgar Alzner, Garden City, NY (US);
Assignee:
Air Techniques Incorporated, Hicksville, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
210137 ; 210194 ; 417 68 ; 433 92 ; 55189 ;
Abstract
There is disclosed an improved vacuum assembly for forming a vacuum comprising a vacuum pump having water rings wherein a water stream is injected into the water rings of the vacuum pump and wherein the water stream is comprised of a combined fresh water and a recycled waste water stream and wherein the fresh water stream is used as a motivating force for an eductor for inducing the recycled waste water stream to form the water stream injected into the water rings of the vacuum pump.