TWO-STAGE PITCH VALVE SPRING HAVING SYMMETRICAL BOTH ENDS

PURPOSE:To reduce surging smaller than the conventional ones by making the inflection point position of natural frequency of a two-stage pitch valve spring having symmetrical both ends to position within the range of the specific % of whole deflection. CONSTITUTION:A two-stage pitch valve spring hav...

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Bibliographische Detailangaben
1. Verfasser:	KAWAKITA YOSHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce surging smaller than the conventional ones by making the inflection point position of natural frequency of a two-stage pitch valve spring having symmetrical both ends to position within the range of the specific % of whole deflection. CONSTITUTION:A two-stage pitch valve spring having symmetrical both ends is built up in such a manner that the pitch of its center part is large, both end parts thereof are formed in a symmetrical shape having the same small pitch, and 60-80% parts of whole deflection are positioned within a range where natural frequency thereof is changed.