Speed governor for rotational drive

Details Speed governor for rotational drive Speed governor for rotational drive

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 59/00 (2006.01) F16D 65/14 (2006.01)

Patent

CA 2107668

A speed governor (10) is enclosed within a generally cylindrical housing (70) which defines an interior cylindrical surface (73), A rotor (11) is rotatably supported within the housing (70) and is coupled to a power coupling belt (83) by a pulley (40) formed in the rotor shaft (16, 17). A pair of weighted arms (31, 51) are pivotally secured to the rotor (11) forming a pair of centrifugal counterweights (30, 50). A coil spring (60) is commonly coupled between the counterweights (30, 50) to provide a drawing force urging the counterweights (30. 50) to a collapsed inward position. Each counterweight (30, 50) supports a friction pad (33, 53) on its outer surface (32, 52) facing the cylindrical surface (73) of the governor housing (70).

Un régulateur de vitesse (10) est enfermé dans un corps généralement cylindrique (70) qui définit une surface cylindrique interne (73). Un rotor (11) est soutenu rotatif dans le corps (70) et accouplé à une courroie de couplage de puissance (83) par l'intermédiaire d'une poulie (40) formée dans l'arbre (16, 17) du rotor. Une paire de bras lestés (31, 51) est fixée pivotante au rotor (11), de façon à constituer une paire de contrepoids centrifuges (30, 50). Un ressort à boudin (60) est généralement accouplé entre les contrepoids (30, 50) pour produire une force de traction sollicitant les contrepoids (30, 50) vers une position affaissée vers l'intérieur. Chaque contrepoids (30, 50) soutient un tampon à friction (33, 53) sur sa surface externe (32, 52) orientée vers la surface cylindrique (73) du corps (70) contenant le régulateur.

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