Patent 7364099 was granted and assigned to Bosch (company) on April, 2008 by the United States Patent and Trademark Office.
A fuel injection device for an internal combustion engine includes a housing and at least one valve element which cooperates with a valve seat on an injection end of the housing. A plurality of fuel outlet conduits in the housing are associated with the valve element. In the region of the beginning of the fuel outlet conduits a flow chamber is present which is formed by at least one annular groove that is concentric with the longitudinal axis of the valve element.