23-11-2017 дата публикации
Номер: US20170335901A1
Принадлежит:
A fluid friction clutch with a housing, a clutch plate and a reservoir that are disposed in the housing, a supply pump element rotatably coupled to the clutch plate, a supply conduit and a valve. The clutch plate and the housing form a working chamber. The supply conduit couples the reservoir to an inlet side of the working chamber. The supply pump element has a pump inlet and a pump outlet that are spaced circumferentially apart from one another about a rotational axis of the clutch plate. The pump outlet is coupled in fluid communication with the supply conduit. The valve has a valve element that is movable between a first or extended position and a second or retracted position. Placement of the valve element in the first position at least partly blocks fluid flow to the pump outlet. 11. A fluid friction clutch () comprising:{'b': 2', '3, 'a housing (, );'}{'b': 4', '2', '3', '4', '2', '3', '9, 'a clutch plate () rotatably disposed in the housing (,), the clutch plate () and the housing (, ) forming a working chamber ();'}{'b': 10', '2', '3, 'a reservoir () disposed in the housing (, );'}{'b': 11', '11', '9, 'a supply conduit (A, B) coupling the reservoir to an inlet side of the working chamber ();'}{'b': 14', '4', '14', '2', '3', '12', '14', '2', '3', '14', '4', '11', '11, 'a supply pump element () that is rotatably coupled to the clutch plate (), the supply pump element () being spaced radially apart from a surface on the housing (, ) such that a shear gap () is disposed between the supply pump element () and the surface on the housing (, ), the supply pump element () having a pump inlet and a pump outlet that are spaced circumferentially apart from one another about a rotational axis of the clutch plate (), the pump outlet being coupled in fluid communication with the supply conduit (A, B);'}{'b': 17', '4', '17', '13', '13', '4', '13', '4', '13, 'a valve () arranged in the clutch plate (), the valve () having a valve element () that is movable between a first ...
Подробнее
