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1. WO1980000483 - POWER-OPERATED LOADING GATE FOR CENTRIFUGAL MACHINES INCORPORATING AN AUXILIARY DRIVE DEVICE

Publication Number WO/1980/000483
Publication Date 20.03.1980
International Application No. PCT/US1979/000600
International Filing Date 13.08.1979
IPC
B04B 11/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
BCENTRIFUGES
11Feeding, charging, or discharging bowls
04Periodical feeding or discharging; Control arrangements therefor
F16K 3/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
3Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
02with flat sealing faces; Packings therefor
16with special arrangements for separating the sealing faces or for pressing them together
18by movement of the closure members
CPC
B04B 11/04
BPERFORMING OPERATIONS; TRANSPORTING
04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
BCENTRIFUGES
11Feeding, charging, or discharging bowls
04Periodical feeding or discharging; Control arrangements therefor
F16K 3/182
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
3Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
02with flat sealing faces; Packings therefor
16with special arrangements for separating the sealing faces or for pressing them together
18by movement of the closure members
182by means of toggle links
Applicants
Inventors
Priority Data
93611723.08.1978US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POWER-OPERATED LOADING GATE FOR CENTRIFUGAL MACHINES INCORPORATING AN AUXILIARY DRIVE DEVICE
(FR) PORTE DE CHARGEMENT MUE PAR UN MOTEUR POUR MACHINES CENTRIFUGES COMPRENANT UN DISPOSITIF D"ENTRAINEMENT AUXILIAIRE
Abstract
(EN)
A loading gate assembly (12) for a heavy cyclical centrifugal machine (10) used for separating liquid from solids includes a hollow body forming a spout outlet (62), a face (58) surrounding the end of the outlet and a gate (68) slidable on the face between a fully closed position covering the outlet and a position opening the outlet to flow of material therethrough. A gate operating mechanism includes a power drive device (130) secured between a relatively fixed support (128) and a cross head (74), connected with the gate, for moving the gate between closed and open positions. The loading gate assembly further comprises a mount (104, 126) for the support (128) normally positioning it in a fixed location relative to the outlet yet being operable to displace the support in the direction of closing movement of the gate. A secondary drive device (108) operates the mount to move the gate to the closed position by displacement of the support (128) in the event of failure of power supplied to the power drive device while the gate is open.
(FR)
Un assemblage de porte de chargement (12) pour une machine centrifuge cyclique lourde (10) utilisee pour separer les liquides des solides comprend un corps creux formant une sortie de decharge (62) une face (58) entourant l"extremite de la sortie et une porte (68) pouvant coulisser sur la face entre une position completement fermee recouvrant la sortie et une position ouvrant celle-ci pour permettre l"ecoulement des materiaux. Un mecanisme de fonctionnement de la porte comprend un dispositif moteur d"entrainement (130) monte entre un support relativement fixe (128) et une traverse (74), ce moteur etant connecte a la porte pour assurer son deplacement entre les positions fermee et ouverte. De plus, la porte de chargement comprend un montage (126) pour le support (128) positionnant normalement ce dernier de maniere fixe par rapport a la sortie mais pouvant fonctionner pour deplacer le support dans la direction du mouvement de fermeture de la porte. Un dispositif d"entrainement secondaire (108) actionne le montage pour deplacer la porte en position fermee par deplacement du support (128) dans l"eventualite d"une defaillance de l"alimentation du dispositif moteur d"entrainement lorsque la porte est ouverte.
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