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:
Mar. 13, 2001
Filed:
Nov. 24, 1999
Se Jun Park, Seoul, KR;
Other;
Abstract
An automatic pneumatic pump system includes a fluid reservoir, at least one fluid tank connected to the reservoir through an inlet conduit and discharge fluid through an outlet conduit, a pressure sensing unit mounted on each fluid tank and containing a high pressure sensor and a low pressure sensor, a fluid level sensing unit mounted on each fluid tank and containing a high fluid level sensor and a low fluid level sensor, a microprocessor for controlling an operation of the pump system, an air supply conduit connected to the fluid tank to a compressor and the fluid level sensing unit, with the interior of the fluid level sensing unit being configured to communicate with the fluid tank, an air discharge conduit extends from the fluid tank, and an auxiliary air tank connected to both the air supply conduit and the air discharge conduit for automatically cleaning a fluid level sensing unit, improving pumping capacity, and recyclining discharged and compressed air.