Kenneth R Seymour

US Patent:

20030234138, Dec 25, 2003

Filed:

Jun 21, 2002

Appl. No.:

10/177195

Inventors:

Kalyan Bagga - Northville MI, US
Xilin Yang - Streamwood IL, US
Kenneth Seymour - Villa Park IL, US
W. Snyder - Aachen, DE
Sidi Sadfa - Chicago IL, US
Ning Lei - Oak Brook IL, US
James Yager - St. Charles IL, US

International Classification:

F16K047/02
F16L055/02

US Classification:

181/233000, 181/206000

Abstract:

An actuator rail assembly for conveying an actuating fluid under pressure to at least one fuel injector, include an elongate fluid passageway being defined in a rail. A fluid inlet port is in fluid communication with the fluid passageway, the inlet port being fluidly couplable to a source of actuating fluid under pressure. A respective fluid outlet port is associated with each respective fuel injector and being fluidly couplable thereto for conveying actuating fluid to the respective fuel injector; and at least one fluid cavity having at least one throttling orifice, the orifice effecting fluid communication between the fluid cavity and the fluid passageway. An acoustic wave attenuator and a method of attenuation are also included.