Reflux valve

A reflux valve includes a first supported portion that plugs a first opening when a valve body biased by a biasing member moves to one side in an axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Nakanishi, Tomohiko
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CRANKCASE VENTILATING DEVICES FOR VENTING OR AERATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A reflux valve includes a first supported portion that plugs a first opening when a valve body biased by a biasing member moves to one side in an axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing force of the biasing member due to negative pressure applied to a downstream side relative to an upstream side, the valve body includes a first hole extending from an end on the other side in the axial direction to one side in the axial direction, a valve body portion includes a second hole extending from an outer side in a radial direction and reaching the first hole, and the valve body portion includes a third hole at a different position from the second hole in the axial direction.