A flow rate control valve includes a housing, a valve part, a driving part, a power transmission shaft and a sealing part. The valve part is provided in the housing. The driving part is placed outside the housing and configured to drive the valve part. The power transmission shaft penetrates the housing and connects the driving part to the valve part to enable power transmission. The sealing part seals a part through which the power transmission shaft penetrates and restrains a leakage of evaporated fuel from the housing. The sealing part includes a first sealing member and a second sealing member. The first sealing member is made of an organic material having a resistance against a fuel permeation, and the second sealing member is made of an organic material having a resistance against low temperature.
FLOW RATE CONTROL VALVE
2020-04-16
Patent
Electronic Resource
English
IPC: | F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16K VALVES , Ventile |