Double throat pulsation dampener for a compressor

Details Double throat pulsation dampener for a compressor Double throat pulsation dampener for a compressor

2005-04-21

2009-06-23

Donels, Jeffrey (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S212000, C181S229000, C181S230000, C181S247000

Reexamination Certificate

active

07549509

ABSTRACT:
A pulsation dampener for receiving a fluid medium containing pressure pulsations. The pulsation dampener can include a body having an inner surface, an inlet, and an outlet, and a fluid path defined at least partially by the inner surface of the body. The fluid path can include a first chamber in fluid communication with the inlet and having a first cross-sectional area, a second chamber positioned adjacent the first chamber and having a second cross-sectional area different from the first cross-sectional area, and a third chamber in fluid communication with the outlet and positioned adjacent the second chamber opposite the first chamber and having a third cross-sectional area different from the second cross-sectional area. The fluid path can be configured such that the second cross-sectional area is greater than the first cross-sectional area and the third cross-sectional area.

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Communication from the European Patent Office with European Search Report dated Jul. 8, 2004 for European Patent Application No. 04251248.3 (4 pages).

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