LOW-PRESSURE REGULATOR
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United States of America Patent
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app pub date -
Sep 11, 2017
filing date -
Sep 12, 2016
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Abstract
A pressure regulating chamber and an atmospheric pressure chamber are divided with a diaphragm, a pressure regulating lever connected to the diaphragm through a diaphragm pin is included in the pressure regulating chamber, and a valve element provided in a tip end side of the pressure regulating lever regulates a fuel in the pressure regulating chamber to have a predetermined pressure near an atmospheric pressure and sends the fuel while opening or closing a fuel introduction port, as the pressure regulating lever swings following displacement of the diaphragm. Connection on the pressure regulating lever side or connection on the diaphragm side, of the diaphragm pin, is separable within a predetermined range in the atmospheric pressure chamber direction. The diaphragm pin is separated to cancel the connection between the diaphragm and the pressure regulating lever when at least the pressure regulating chamber has a positive pressure of a predetermined level or more.
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