US 8,534,251 B2
Engine assembly with camshaft housing
Rodney E. Baker, Fenton, Mich. (US); Brian W. Geiser, Ortonville, Mich. (US); Cynthia Ann Stuvel, Leonard, Mich. (US); and Gary L. Nye, Macomb, Mich. (US)
Assigned to GM Global Technology Operations LLC,
Filed by Rodney E. Baker, Fenton, Mich. (US); Brian W. Geiser, Ortonville, Mich. (US); Cynthia Ann Stuvel, Leonard, Mich. (US); and Gary L. Nye, Macomb, Mich. (US)
Filed on Oct. 4, 2010, as Appl. No. 12/897,211.
Claims priority of provisional application 61/345,380, filed on May 17, 2010.
Prior Publication US 2011/0277725 A1, Nov. 17, 2011
Int. Cl. F01L 1/04 (2006.01)
U.S. Cl. 123—90.6  [123/90.17; 123/90.27] 10 Claims
OG exemplary drawing
 
1. An engine assembly comprising:
an engine structure;
a first camshaft housing assembly supported by the engine structure and having a first unitary lower portion providing a first plurality of bearing support surfaces on a first side and a second unitary upper portion coupled to the first unitary lower portion and providing a second plurality of bearing support surfaces on a second side opposite the first side; and
a first camshaft assembly rotationally supported by the first camshaft housing assembly and arranged between the first unitary lower portion and the second unitary upper portion, wherein the unitary second upper portion of the first camshaft housing assembly includes a lubrication structure for routing oil from an oil supply to the first camshaft assembly and the unitary second upper portion of the first camshaft housing assembly includes a phaser lubrication structure for routing oil from the oil supply to a cam phaser.