| US 7,568,503 B2 | ||
| Compressor throttling valve assembly | ||
| Thomas E. Gerber, Williamsville, N.Y. (US); and Mark R. Sabin, Sanborn, N.Y. (US) | ||
| Assigned to Cameron International Corporation, Houston, Tex. (US) | ||
| Filed on Aug. 10, 2005, as Appl. No. 11/200,613. | ||
| Prior Publication US 2007/0034257 A1, Feb. 15, 2007 | ||
| Int. Cl. F16K 39/00 (2006.01) | ||
| U.S. Cl. 137—637.2 [137/240; 137/637.4] | 22 Claims |
| 1. A control device for a compressor, comprising:
an inner housing connected for flow communication to the compressor, the inner housing comprising a valve member having at
least one operating shaft extending through the inner housing, wherein the operating shaft is not sealed as it extends through
the inner housing; and
an outer housing sealingly surrounding the inner housing.
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