PRESSURE LOSS REDUCTION VALVE

PROBLEM TO BE SOLVED: To form an internal shape of a valve box with least pressure loss. SOLUTION: In a globe valve 1 partitioning the valve box 2 into a primary valve chamber 11 and a secondary valve chamber 12 by a partition wall 3, a spacer 10 filling the pocket portions C and D is fittingly moun...

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Hauptverfasser:	IKAI MICHIAKI, HATANAKA TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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creator	IKAI MICHIAKI HATANAKA TETSUO
description	PROBLEM TO BE SOLVED: To form an internal shape of a valve box with least pressure loss. SOLUTION: In a globe valve 1 partitioning the valve box 2 into a primary valve chamber 11 and a secondary valve chamber 12 by a partition wall 3, a spacer 10 filling the pocket portions C and D is fittingly mounted on at least one of pocket portions C and D which are formed on back portions of the primary valve chamber 11 and the secondary valve chamber 12 and are surrounded by the inside of the partition wall 3 and the inside of the valve box 2. A face of the spacer 10 at a valve chambers 11 and 12 side becomes a concave curved surface 10a consecutive to inner surfaces of the valve chambers 11 and 12, and also is an arch with a curvature greater than those of inner shapes of the pocket portions C and D. Therefore, fluid can pass through the valve chambers 11 and 12 by guiding along the concave curved surface 10a. Thus, pressure loss of the fluid can be reduced without having influence of the inner shape of the pocket portions C and D. COPYRIGHT: (C)2006,JPO&NCIPI
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SOLUTION: In a globe valve 1 partitioning the valve box 2 into a primary valve chamber 11 and a secondary valve chamber 12 by a partition wall 3, a spacer 10 filling the pocket portions C and D is fittingly mounted on at least one of pocket portions C and D which are formed on back portions of the primary valve chamber 11 and the secondary valve chamber 12 and are surrounded by the inside of the partition wall 3 and the inside of the valve box 2. A face of the spacer 10 at a valve chambers 11 and 12 side becomes a concave curved surface 10a consecutive to inner surfaces of the valve chambers 11 and 12, and also is an arch with a curvature greater than those of inner shapes of the pocket portions C and D. Therefore, fluid can pass through the valve chambers 11 and 12 by guiding along the concave curved surface 10a. Thus, pressure loss of the fluid can be reduced without having influence of the inner shape of the pocket portions C and D. 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SOLUTION: In a globe valve 1 partitioning the valve box 2 into a primary valve chamber 11 and a secondary valve chamber 12 by a partition wall 3, a spacer 10 filling the pocket portions C and D is fittingly mounted on at least one of pocket portions C and D which are formed on back portions of the primary valve chamber 11 and the secondary valve chamber 12 and are surrounded by the inside of the partition wall 3 and the inside of the valve box 2. A face of the spacer 10 at a valve chambers 11 and 12 side becomes a concave curved surface 10a consecutive to inner surfaces of the valve chambers 11 and 12, and also is an arch with a curvature greater than those of inner shapes of the pocket portions C and D. Therefore, fluid can pass through the valve chambers 11 and 12 by guiding along the concave curved surface 10a. Thus, pressure loss of the fluid can be reduced without having influence of the inner shape of the pocket portions C and D. COPYRIGHT: (C)2006,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
title	PRESSURE LOSS REDUCTION VALVE
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