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:
Sep. 26, 1989
Filed:
May. 19, 1988
William T Arnold, Sutton West, CA;
W. T. Arnold Research & Development Inc., Ontario, CA;
Abstract
This invention relates to a vacuum refuse collector comprising: a body; a refuse container mounted on the body having a refuse chamber; a filter in the refuse chamber of the refuse container dividing the refuse chamber into a refuse side and a non-refuse side; a flexible refuse tube communicating with the refuse chamber on the refuse side of the filter; an atmosphere port; an air velocity increasing means; duct means forming a first air path from the non-refuse side of the refuse chamber to the inlet of the air velocity increasing means, through the air velocity increasing means and then to atmosphere and a second air path from the atmosphere port to the inlet of the air velocity increasing means through the air velocity increasing means and to the non-refuse side of the refuse chamber; and control means for controlling the differential of air velocity in the first path and the second path to control the air velocity in the pick up tube.