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.

Date of Patent:
Sep. 30, 2014

Filed:

Jul. 13, 2011
Applicants:

Ying Lin Cai, Guangdong, CN;

Chao Fou Hsu, Kaohsiung, TW;

Inventors:

Ying Lin Cai, Guangdong, CN;

Chao Fou Hsu, Kaohsiung, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/02 (2006.01); F04B 53/10 (2006.01); F16K 31/365 (2006.01); F04B 53/16 (2006.01); F04B 53/00 (2006.01);
U.S. Cl.
CPC ...
F04B 43/026 (2013.01); F04B 53/16 (2013.01); F04B 53/002 (2013.01);
Abstract

The present invention provides a vibration reducing device for pump cover body of water shut-off diaphragm pump comprising a hood cover mount and a pump cover body with a containing pit, which orderly accommodates a plastic elastic membrane disk, an obstructing baffle and a compressed spring therein. The plastic elastic membrane disk includes a downward central flow directing buffer, which can insert into a flow directing compartment in the containing pit when the hood cover mount docks with the pump cover body. The flow directing buffer can not only absorb the direct impacting momentum of pumped high pressurized water to the surrounding internal wall of the flow directing compartment but also redirect the random impacting direction of the high pressurized water. Thus, the vibration of the pump cover body with annoying noise created by the impacting momentum of the high pressurized water is deleted.


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