Patent ID: 9141115
Filing Date: 2015-09-22
Classification: F16K,G05D,Y10T

Abstract:
1. A pressure reducing valve comprising: a housing including a valve passage connected to a primary port and a secondary port; a valve element provided in the housing, configured to adjust an opening degree of the valve passage by moving between a closed position where the valve element closes the valve passage and an open position where the valve element opens the valve passage, and configured to be pressed by secondary pressure toward the closed position; a biasing member configured to bias the valve element toward the open position against the secondary pressure; and a rolling bearing configured to be externally fitted on the valve element and support the valve element such that the valve element is movable, wherein: the housing further includes: the bearing accommodating space is arranged between the secondary pressure chamber and the valve passage and is isolated from the secondary pressure chamber and the valve passage by a sealing member such that the rolling bearing is not exposed to a fluid in the secondary pressure chamber and the valve passage.