Transfer case with pass-through power takeoff for four wheel drive vehicles

    公开(公告)号:US10024416B2

    公开(公告)日:2018-07-17

    申请号:US15196270

    申请日:2016-06-29

    Abstract: A transfer case for use with four-wheel drive vehicles incorporates a pass-through power takeoff shaft to drive remote secondary implements or accessory devices. The power takeoff shaft delivers rotational power from the vehicle transmission to the remote implement or accessory by passing through the housing of the transfer case to improve ground clearance and minimize driveline angles. The housing for the transfer case can mount bearings that rotatably support the power takeoff shaft. Alternatively, a tubular member can be mounted in the transfer case to provide a passageway through which the power takeoff shaft can pass through the transfer case. The points of engagement of the power takeoff shaft and the transfer case housing are sealed to prevent the loss of lubricating fluid from the transfer case. In each embodiment, the power takeoff shaft passes through the transfer case without engagement of or interference with the drive components therein.

    Work vehicle
    82.
    发明授权

    公开(公告)号:US10011172B2

    公开(公告)日:2018-07-03

    申请号:US15205510

    申请日:2016-07-08

    CPC classification number: B60K17/28 B60Y2200/22 B60Y2200/221 B60Y2300/423

    Abstract: A work vehicle includes two types of PTO shafts, a PTO drive unit, a storage unit, a PTO gear shift operation unit, a PTO shaft detection sensor, a PTO gear shift sensor and a control device. The storage unit stores a PTO shaft, which is not connected to the driven portion, of the two types of PTO shafts. The PTO gear shift operation unit performs gear-shifting of the gear shift mechanism. The PTO shaft detection sensor detects a type of the PTO shaft stored in the storage unit. The PTO gear shift sensor detects an operation state of the PTO gear shift operation unit. The control device decides a propriety of a combination of a detection value of the PTO shaft detection sensor and a detection value of the PTO gear shift sensor.

    CLUTCH GROUP FOR POWER TAKE-OFF
    85.
    发明申请

    公开(公告)号:US20180180114A1

    公开(公告)日:2018-06-28

    申请号:US15736251

    申请日:2016-06-13

    Inventor: Renato SONCINA

    Abstract: A clutch group (1) is for power take-offs for industrial vehicles. The clutch group (1) includes a clutch shaft (10) and an input gear (20) operatively connected to the clutch shaft (10), by clutch discs (30) suitable to engage each other through friction. The clutch group (1) has a bell (40) supported by the clutch shaft (10) around it and suitable to house the clutch discs (30) and a pneumatic controller (50) operable by pressurized fluid to control the mutual commitment between the clutch discs (30). The pneumatic controller (50) includes a main piston (51) housed in a main thrust chamber (510) and an auxiliary piston (52) housed in an auxiliary thrust chamber (520).

    PTO SPEED CONTROL SYSTEM FOR WORK VEHICLE
    88.
    发明申请

    公开(公告)号:US20180056781A1

    公开(公告)日:2018-03-01

    申请号:US15248543

    申请日:2016-08-26

    Abstract: A power take-off (PTO) arrangement is provided for transferring power between a work vehicle and an implement. The PTO arrangement includes a PTO shaft having a PTO flange; and a PTO transmission unit having an input shaft coupled to the work vehicle, an output shaft coupled to the PTO shaft, and a gear set coupling the input shaft to the output shaft such that the power is transferred at a speed ratio selected from at least two speed ratios. A PTO speed control system has a sensor arrangement proximate to the PTO shaft and configured to sense data associated with the PTO flange and generate a PTO flange output signal based on the PTO flange data and a control unit and configured to selectively enable and disable operation of the PTO arrangement based on the PTO flange output signal and the selected speed ratio.

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