US 7,320,220 B1 | ||
EGR valve having integrated motor, controller, and flow meter | ||
David Conway Atkinson, Dunlap, Ill. (US) | ||
Assigned to Caterpillar Inc., Peoria, Ill. (US) | ||
Filed on Dec. 15, 2006, as Appl. No. 11/639,160. | ||
Int. Cl. F02B 33/44 (2006.01) |
U.S. Cl. 60—605.2 [60/611] | 21 Claims |
1. A valve arrangement, comprising:
a housing at least partially defining a venturi passageway;
a first port disposed at an entrance to the venturi passageway;
a second port disposed at a throat of the venturi passageway;
a valve element disposed within the housing to regulate the flow of fluid through the housing;
a sensor mounted to the housing in communication with the first and second ports; and
a controller mounted to the housing in communication with the sensor, the controller being configured to affect movement of
the valve element in response to input from the sensor.
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