EXHAUST CONTROL VALVE

PROBLEM TO BE SOLVED: To provide an exhaust control valve that can maintain a closing state in a low-speed engine rotation range, can decrease an exhaust resistance by increasing an opening level of a valve in a high-speed engine rotation range and can stably prevent an opening and closing chatterin...

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Bibliographische Detailangaben
Hauptverfasser:	TANABE YUKIHARU, BAN KUNIKAZU, YAMADA SATOSHI, KANEYASU MITSUTOSHI, SASAKI NOBUHITO, SAITO MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an exhaust control valve that can maintain a closing state in a low-speed engine rotation range, can decrease an exhaust resistance by increasing an opening level of a valve in a high-speed engine rotation range and can stably prevent an opening and closing chattering at a low cost.SOLUTION: The exhaust control valve 1 includes: a valve body 3 that is provided so that the valve can be opened, closed and rotated to a valve seat 2 provided in an inner pipe 54 in a muffler body 51; a return spring 5 that biases the valve seat 3 in a direction where the valve seat is brought into contact with a sheet surface 8 of the valve seat 2; and a friction hinge 6 that applies a sliding resistance by friction to an opening and closing rotation of the valve body 3 in a range from a closing position of the valve body 3 to a predetermined opening position.