| US 7,578,268 B2 | ||
| Air intake porting for a two stroke engine | ||
| Bruce M. Chrisman, Oklahoma City, Okla. (US); and Randy Coleman, Oklahoma City, Okla. (US) | ||
| Assigned to Cameron International Corporation, Houston, Tex. (US) | ||
| Filed on Jul. 17, 2007, as Appl. No. 11/779,004. | ||
| Application 11/779004 is a continuation of application No. 11/367136, filed on Mar. 03, 2006, granted, now 7,258,087. | ||
| Prior Publication US 2008/0011261 A1, Jan. 17, 2008 | ||
| Int. Cl. F02B 25/00 (2006.01) | ||
| U.S. Cl. 123—73PP [123/73 FA; 123/74 AP] | 25 Claims |
| 1. A system, comprising:
a piston comprising:
a head; and
a skirt extending from the head, wherein the skirt comprises a port;
a rod coupled to the piston; and
a feature configured to maintain an angular orientation of the port relative to a cylinder, wherein the rod does not rotate
relative to the piston.
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