摘要:
A regulating device (2) for a viscoclutch (4) which is provided with a primary disc (6) and a secondary disc (8), the primary disc having a first rotation speed (10) and the secondary disc a second rotation speed (12). The regulating device (2) receives signals which represent the rotation speeds and a desired degree of engagement (14), and calculates a prevailing degree of engagement (15) between the discs (10). The degree of engagement between the discs is controlled by regulating an amount of viscous oil between them by delivering a control signal (16) to an oil pump unit (18) which pumps oil (20) into the viscoclutch (4). The nature of the engagement, and controlling for maximum to minimum engagement is disclosed.
摘要:
The invention comprises a regulating device (2) for a viscoclutch (4) which is provided with a primary disc (6) and a secondary disc (8), the primary disc having a first rotation speed (10) and the secondary disc a second rotation speed (12), which regulating device (2) is adapted to receiving signals which represent said rotation speeds and a desired degree of engagement (14), and to calculating a prevailing degree of engagement (15) between the primary disc and the secondary disc as the ratio between said second and first rotation speeds (12, 10). The degree of engagement between the discs is controlled by the regulating device on the basis of a desired degree of engagement (14) by regulating an amount of viscous oil between them by delivering a control signal (16) to an oil pump unit (18) which is adapted to pumping oil (20) into the viscoclutch (4) in response to the control signal. If the desired degree of engagement (14) is higher than an adjustable upper level (22) the regulating device is adapted to regulating the engagement of the viscoclutch according to a first regulating strategy which involves alternately changing the control signal (16) by first generating a control signal to the oil pump unit for maximum engagement and thereafter, when the degree of engagement has been substantially constant for longer than a predetermined first amount of time (Atl), changing the control signal to effect a degree of engagement below said upper level (22) until the degree of engagement is no longer substantially constant.
摘要:
The invention relates to a clutch for the controllable transmission of a torque, comprising a first and a second clutch element, notably a shaft (11) and a clutch housing (12), which are mounted such that they can rotate in relation to each other. The clutch comprises a friction coupling (15) and a viscous coupling (14) which are connected in parallel. The friction coupling comprises two friction disk sets and the viscous coupling two viscous disk sets which are each assigned to one of two viscous disk supports. The friction disk sets of the friction coupling are each non-rotationally fixed to the first and second coupling element and subjected to the axial action of an adjustment device (13). A first viscous disk support of the viscous coupling is permanently connected to the first of the coupling elements in a non-rotating manner and a second viscous disk support of the viscous coupling is connected to the second coupling member such that it can be disengaged. An axial adjustment device frictionally engages and disengages the second viscous disk support of the viscous coupling and closes and releases the friction disk sets of the friction coupling.
摘要:
In einer durch einen axial verschiebbaren Kolben (8) regelbaren Flüssigkeitsreibungskupplung sind erfindungsgemäß die Außenlamellen (4) gegenüber dem Innenteil (2) und die Innenlamellen (5) gegenüber dem Gehäuse (1) abgedichtet (20,23), sodaß ein Überströmen der viskosen Flüssigkeit von einem Lamellenzwischenraum in den nächsten weitgehend unterbunden ist.
摘要:
Die Erfindung betrifft eine Viskokupplung (1) die als Torque-Splitter gestaltet ist und zwei in einem Gehäuse (2) drehbare Naben (7,8) und dem Gehäuse (2) bzw. den Naben (7,8) zugeordnete Innen- und Außenlamellen, (19,18) aufweist, wobei das Gehäuse (2) mit Viskoflüssigkeit zumindest teilweise gefüllt ist. Die als Stirnflächen gestalteten Projektionsflächen (26 bis 29) der beiden Naben (7, 8) sind unterschiedlich groß. Hierdurch wird unter dem anstehenden Innendruck eine Beaufschlagung der Naben (7, 8) in Richtung auf die jeweils kleinere Projektionsfläche bewirkt.
摘要:
A viscous clutch assembly adapted for installation in a torque transmission system for effecting a drive connection between a pair of rotary members (25, 26) coaxially arranged for relative rotation. The viscous clutch assembly includes a viscous coupling (10a) arranged for generating a viscous resistance force in response to relative rotation between the rotary members, a first cam mechanism (10c) cooperable with the viscous coupling (10a) for converting the viscous resistance force into a thrust force, a friction disc clutch (10b) arranged to be brought into engagement when applied the thrust force from the first cam mechanism for establishing the drive connection between the rotary members, and a second cam mechanism (10d) cooperable with the viscous coupling (10a) for increasing and decreasing the viscous resistance force in response to a difference in torque between the rotary members.