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:
Jul. 21, 2009

Filed:

Sep. 27, 2006
Applicants:

Peter T. Di Stefano, San Jose, CA (US);

Thomas H. Di Stefano, Monte Sereno, CA (US);

Inventors:

Peter T. Di Stefano, San Jose, CA (US);

Thomas H. Di Stefano, Monte Sereno, CA (US);

Assignee:

Centipede Systems, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

One embodiment of the present invention is a mounting apparatus that includes: (a) a first ring having a first surface and a second surface; (b) a second ring having a first surface and a second surface, which second ring is movable with respect to the first ring; (c) a first flexible diaphragm attached to: (i) the first surface of the first ring along a first-surface-first-ring attachment perimeter that encloses a first effective surface area, and (ii) the first surface of the second ring along a first-surface-second-ring attachment perimeter; and (d) a second flexible diaphragm attached to: (i) the second surface of the first ring along a second-surface-first-ring attachment perimeter that encloses a second effective surface area, and (ii) the second surface of the second ring at a second-surface-second-ring attachment perimeter; wherein: the first and second flexible diaphragms and the first and second rings form a chamber with one or more intake apertures.


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