APPARATUS TO BIAS A MOVEABLE TUBE TOWARDS A SEAL

Apparatus are disclosed to bias a tube towards a seal. An example apparatus includes a pneumatic actuator (100) having a diaphragm plate (106), a yoke housing (112), and a tube (122). The tube conveys pressurized fluid between the yoke housing and the diaphragm plate, wherein a first end (124) of th...

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Main Author JACKSON, TRENTON F
Format Patent
LanguageEnglish
French
Published 21.02.2019
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Abstract Apparatus are disclosed to bias a tube towards a seal. An example apparatus includes a pneumatic actuator (100) having a diaphragm plate (106), a yoke housing (112), and a tube (122). The tube conveys pressurized fluid between the yoke housing and the diaphragm plate, wherein a first end (124) of the tube extends through a first seal gland in the diaphragm plate to form a seal against an outer surface of the tube and a second end (126) of the tube extends through a second seal gland in the yoke housing to form a seal against the outer surface of the tube. The first end of the tube has a first cross- sectional area that is greater than a second cross-sectional area of the second end of the tube to bias the tube toward the yoke housing during operation of the pneumatic actuator. L'invention concerne un appareil destiné à solliciter un tuyau vers un joint d'étanchéité. Selon un exemple, l'appareil comprend un actionneur pneumatique (100) comportant une plaque de diaphragme (106), une enveloppe (112) de culasse et un tuyau (122). Le tuyau transporte un fluide sous pression entre l'enveloppe de culasse et la plaque de diaphragme, une première extrémité (124) du tuyau s'étendant à travers un premier fouloir d'étanchéité dans la plaque de diaphragme afin de former un joint d'étanchéité contre une surface externe du tuyau, une seconde extrémité (126) du tuyau s'étendant à travers un second fouloir d'étanchéité dans l'enveloppe de culasse afin de former un joint d'étanchéité contre la surface externe du tuyau. La première extrémité du tuyau présente une première aire en section transversale supérieure à une seconde aire en section transversale de la seconde extrémité du tuyau, en vue de solliciter le tuyau vers l'enveloppe de culasse pendant le fonctionnement de l'actionneur pneumatique.
AbstractList Apparatus are disclosed to bias a tube towards a seal. An example apparatus includes a pneumatic actuator (100) having a diaphragm plate (106), a yoke housing (112), and a tube (122). The tube conveys pressurized fluid between the yoke housing and the diaphragm plate, wherein a first end (124) of the tube extends through a first seal gland in the diaphragm plate to form a seal against an outer surface of the tube and a second end (126) of the tube extends through a second seal gland in the yoke housing to form a seal against the outer surface of the tube. The first end of the tube has a first cross- sectional area that is greater than a second cross-sectional area of the second end of the tube to bias the tube toward the yoke housing during operation of the pneumatic actuator. L'invention concerne un appareil destiné à solliciter un tuyau vers un joint d'étanchéité. Selon un exemple, l'appareil comprend un actionneur pneumatique (100) comportant une plaque de diaphragme (106), une enveloppe (112) de culasse et un tuyau (122). Le tuyau transporte un fluide sous pression entre l'enveloppe de culasse et la plaque de diaphragme, une première extrémité (124) du tuyau s'étendant à travers un premier fouloir d'étanchéité dans la plaque de diaphragme afin de former un joint d'étanchéité contre une surface externe du tuyau, une seconde extrémité (126) du tuyau s'étendant à travers un second fouloir d'étanchéité dans l'enveloppe de culasse afin de former un joint d'étanchéité contre la surface externe du tuyau. La première extrémité du tuyau présente une première aire en section transversale supérieure à une seconde aire en section transversale de la seconde extrémité du tuyau, en vue de solliciter le tuyau vers l'enveloppe de culasse pendant le fonctionnement de l'actionneur pneumatique.
Author JACKSON, TRENTON F
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DocumentTitleAlternate APPAREIL DE SOLLICITATION DE TUYAU MOBILE VERS UN JOINT D'ETANCHEITE
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RelatedCompanies FISHER CONTROL INTERNATIONAL LLC
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Snippet Apparatus are disclosed to bias a tube towards a seal. An example apparatus includes a pneumatic actuator (100) having a diaphragm plate (106), a yoke housing...
SourceID epo
SourceType Open Access Repository
SubjectTerms 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 APPARATUS TO BIAS A MOVEABLE TUBE TOWARDS A SEAL
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