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:
Apr. 24, 2012
Filed:
Oct. 19, 2006
Kenji Mizuno, Tokyo, JP;
Yasumasa Oki, Tokyo, JP;
Kenji Mizuno, Tokyo, JP;
Yasumasa Oki, Tokyo, JP;
Nitto Kohki Co., Ltd., Tokyo, JP;
Abstract
A liquid pump is provided in which pulsations can be properly absorbed even if the pump is driven at a high frequency. A pulsation absorbing unit for absorbing pulsation includes a pulsation absorbing housing disposed on a pump housing member, a second diaphragm attached to the pulsation absorbing housing member and defining a pulsation absorbing chamber communicating with a liquid outlet passage of a liquid pump unit, and a disc spring for biasing the second diaphragm toward the pulsation absorbing chamber.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile