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. 28, 2021
Filed:
Aug. 25, 2020
National Tsing Hua University, Hsinchu, TW;
National Tsing Hua University, Hsinchu, TW;
Abstract
A dual membrane restrictor adapted to be connected to an oil supplying device, a loading device, and a recycling device is provided. The dual membrane restrictor includes a casing and first and second membranes. The casing has a first channel connected to the oil supplying device, first and second chambers, a second channel connected to the loading device, and a third channel connected to the recycling device. The first membrane is disposed in the first chamber divided into first upper and lower chambers by the first membrane. The first channel is connected to the first upper chamber. The second membrane is disposed in the second chamber divided into second upper and lower chambers by the second membrane. The second upper chamber is connected to the first lower chamber and the second channel. The second lower chamber is connected to the second channel and the third channel.