RETARDER FOR BRAKING A MOTIVE POWER SOURCE, VEHICLE COMPRISING A RETARDER AND METHOD FOR ENGAGING AND DISENGAGING A RETARDER

RETARDER FOR BRAKING A MOTIVE POWER SOURCE, VEHICLE COMPRISING A RETARDER AND METHOD FOR ENGAGING AND DISENGAGING A RETARDER

The invention pertains to a retarder (2) to brake a driving source (1, 4, 6, 10), comprising a retarder shaft (24), which is engaged to a rotor (40) and an oil pump (42); a stator (44) which jointly with the rotor (40) forms a torus (52) for the receipt of retarder oil (18); a retarder oil circuit (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RUDBERG, ARVID, PÜSCHEL, PETER, HANSTAD, PATRICK
Format: Patent
Sprache:eng ; fre
Schlagworte:
ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL
BLASTING
BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES
THERMAL INSULATION IN GENERAL
TRANSPORTING
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF
VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
VEHICLES IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:The invention pertains to a retarder (2) to brake a driving source (1, 4, 6, 10), comprising a retarder shaft (24), which is engaged to a rotor (40) and an oil pump (42); a stator (44) which jointly with the rotor (40) forms a torus (52) for the receipt of retarder oil (18); a retarder oil circuit (56), which is engaged with the oil pump (42) and the torus (52); a clutch device (34) for engagement and disengagement of the retarder shaft (24) to and from the driving source (1, 4, 6, 10). A tachogenerator (82) is arranged to measure the revolutions of the retarder shaft (24) in order to, with knowledge about the capacity of the oil pump (42), determined when the retarder oil circuit (56) is filled with retarder oil (18), and a control de¬ vice (22) which is engaged to a tachogenerator (82) and to the clutch device (34), the control device (22) of which receives signals from the tachogenerator (82) regarding the revolutions of the retarder shaft (24) and which emits signals to the clutch device (34) to disconnect the retarder shaft (24) from the driving source when the retarder oil circuit (56) is filled with re- tarder oil (18). The invention also pertains to a vehicle (1), comprising such a retarder (2) and a method for engagement and disengagement of a retarder (2). L'invention concerne un ralentisseur (2) permettant de freiner une source motrice (1, 4, 6, 10), comprenant un arbre de ralentisseur (24), qui est embrayé à un rotor (40) et une pompe à huile (42) ; un stator (44) qui conjointement avec le rotor (40) forme un tore (52) pour la réception d'huile de ralentisseur (18) ; un circuit d'huile de ralentisseur (56), qui est embrayé à la pompe à huile (42) et au tore (52) ; un dispositif d'embrayage (34) pour embrayer et débrayer l'arbre de ralentisseur (24) à et depuis la source motrice (1, 4, 6, 10). Un générateur tachymétrique (82) est configuré pour mesurer les rotations de l'arbre de ralentisseur (24) afin de, à l'aide des informations sur la capacité de la pompe à huile (42), déterminer lorsque le circuit d'huile ralentisseur (56) est rempli d'huile de ralentisseur (18), et un dispositif de commande (22) qui est embrayé à un générateur tachymétrique (82) et au dispositif d'embrayage (34), le dispositif de commande (22) duquel reçoit des signaux du générateur tachymétrique (82) concernant les rotations de l'arbre de ralentisseur (24) et qui émet des signaux au dispositif d'embrayage (34) pour débrancher l'arbre de ralentisseur (24) de la source motr