Hydraulic orbital machine and method for adjusting an orbital machine
AssigneeDana Motion Systems Italia S.R.L.
InventorsFederica Franzoni, Alessandro Sassi
Life of this patent
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Abstract
Provided is a hydraulic orbital machine and a method of adjusting a hydraulic orbital machine comprising a first and a second lobed disk which rotate eccentrically about a rotation axis and within respective rotors; the machine is characterized by the fact that it has adjustment means designed to mutually angularly offset the angles at which, when the machine is at a standstill, the chambers defined between the lobed disks and the stator have minimum volume.
Claims13
A hydraulic orbital machine, comprising:
- a first stator case portion, which delimits a first internal contoured volume;
- and
- a first lobed disk configured to rotate eccentrically about a rotation axis in the first stator case portion so as to form a plurality of first chambers which have a volume that varies with rotation of the first lobed disk, wherein at least one first chamber of the plurality of first chambers has a minimum volume at a first angle of the first stator case portion,
- the machine further comprising:
- a second stator case portion, which delimits a second internal contoured volume;
- at least one second lobed disk configured to rotate together with the first lobed disk eccentrically about the rotation axis in the second stator case portion so as to form a plurality of second chambers having a volume that varies with rotation of the at least one second lobed disk, wherein at least one second chamber of the plurality of second chambers has a minimum volume at a second angle of the second stator case portion, and
- adjustment means designed to mutually angularly offset the first and second angles;
- wherein the first and second stator case portions comprise rolling bodies configured to directly interact with the first and second lobed disks in order to partly delimit a respective chamber of the plurality of first chambers and plurality of second chambers with variable volume.
A method for adjusting a hydraulic orbital machine comprising a first stator case portion which delimits a first internal contoured volume, a first lobed disk configured to rotate eccentrically about a rotation axis in the first stator case portion in order to form a plurality of first chambers which have a volume that varies in the rotation of the first lobed disk, at least one of the first chambers having a minimum volume at a first angle of the first stator case portion, wherein the first chambers are between the first stator case and the first lobed disk;
- the method comprising the following steps:
- providing a second stator case portion which delimits a second internal contoured volume;
- providing at least one second lobed disk configured to rotate together with the first lobed disk eccentrically about the rotation axis in the second stator case portion in order to form a plurality of second chambers which have a volume that varies in the rotation of the second lobed disk, wherein the second chambers are between the second stator case and the at least one second lobed disk;
- at least one of the second chambers having a minimum volume at a second angle of the second stator case portion;
- and
- mutually angularly offsetting the first and second angles.
Dependencies are inferred from the claim text.