05-12-2013 дата публикации
Номер: US20130318967A1
In an axial piston expander for a waste heat recovery device of a motor vehicle, the expander having a shaft with an axis of rotation around which a number of cylinders are arranged parallel to, and distributed around, the axis of rotation, each cylinder including a piston connected to a coupling plate which is pivotally mounted on the shaft so as to provide for an adjustable piston stroke and the cylinders having high pressure inlets and low pressure outlets with valve devices for the control of the operating fluid flow through the cylinders, a stroke adjustment arrangement is provided by which the stroke of the pistons is adjustable via a regulation of the pressure in an operating chamber at the back side of the pistons, the waste heat recovery device being coupleable with the drive train of the internal combustion engine for the transfer of mechanical driving power. 12. An axial piston expander for a waste heat recovery device () of a motor vehicle , comprising{'b': 14', '25, 'a drive shaft (), which is supported by bearings for rotation about an axis of rotation () and from which mechanical driving power can be taken off,'}{'b': 26', '25', '25, 'a number of cylinders (), which are oriented parallel to the axis of rotation () and arranged distributed in the circumferential direction around the axis of rotation (),'}{'b': 27', '26, 'a number of pistons (), arranged in each the cylinders () and having an adjustable stroke,'}{'b': 28', '14', '27, 'a coupling plate () mounted on the drive shaft () and connected to all the pistons (),'}{'b': 17', '26, 'a high pressure fluid inlet (), which is in fluidic connection with the cylinders (),'}{'b': 18', '26, 'a low pressure outlet (), which is in fluidic connection with the cylinders (),'}{'b': 30', '26', '17', '18, 'a valve device () for the control of the fluidic connections between the cylinders () and the high pressure inlet () as well as the low pressure outlet (), and'}{'b': 27', '43', '31', '32, 'a stroke adjustment ...
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