Patent 7665484 was granted and assigned to NISSAN MOTOR CO.,LTD. on February, 2010 by the United States Patent and Trademark Office.
A pulsation absorber is provided in a fluid channel formed in a body of a fluid coupling. Fluid flows through the fluid channel in an assembled state. The pulsation absorber is arranged to deform in a same direction as the fluid to flow in the fluid channel pulsates. The pulsation absorber thereby absorbs pulsation of the fluid.