Hydraulic Motor with an Enhanced Multi-Purpose Passage
AssigneeParker-Hannifin Corporation
InventorsMichael T. Crosby, Kyle J. Merrill, Michael L. Masoner, Brock A. Bowers, Scott A. Emmette, Jacob P. Sebera
Life of this patent
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Abstract
An example stator of a hydraulic motor includes a plurality of passages disposed in a circular array in the stator body and extending axially through the stator body, wherein the plurality of passages are configured to receive respective bolts therethrough while allowing fluid flow through each passage around a respective bolt disposed in the passage, wherein the passage comprises a composite of a first hole and a second hole, wherein the first hole has a first diameter and the second hole has a second diameter larger than the first diameter.
Claims20
A stator of a hydraulic motor, the stator comprising:
- a stator body having (i) a central opening configured to receive a rotor therein, and (ii) a plurality vanes configured to interact with lobes of the rotor;
- and
- a plurality of passages disposed in a circular array in the stator body and extending axially through the stator body, wherein the plurality of passages are configured to receive respective bolts therethrough while allowing fluid flow through each passage around a respective bolt disposed in the passage, wherein the passage comprises a composite of a first hole and a second hole, wherein the first hole has a first diameter and the second hole has a second diameter larger than the first diameter.
A hydraulic motor comprising:
- a stator comprising (i) a stator body having a central opening, (ii) a plurality of vanes, and (iii) and a plurality of passages disposed in a circular array in the stator body and extending axially through the stator body, wherein the plurality of passages are configured to receive respective bolts therethrough while allowing fluid flow through each passage around a respective bolt disposed in the passage, wherein the passage comprises a composite of a first hole and a second hole, wherein the first hole has a first diameter and the second hole has a second diameter larger than the first diameter;
- and
- a rotor disposed within the central opening of the stator body, wherein the rotor comprises a plurality of external lobes configured to engage with the plurality of vanes of the stator, such that the plurality of vanes and the plurality of external lobes define fluid chambers therebetween configured to expand and contract as the rotor rotates within the stator.
A hydraulic transmission comprising:
- a pump configured to provide fluid;
- and
- a hydraulic motor fluidly coupled to the pump and configured to receive fluid therefrom, wherein the hydraulic motor comprises:
- a stator comprising (i) a stator body having a central opening, (ii) a plurality of vanes, and (iii) and a plurality of passages disposed in a circular array in the stator body and extending axially through the stator body, wherein the plurality of passages are configured to receive respective bolts therethrough while allowing fluid flow from the pump through each passage around a respective bolt disposed in the passage, wherein the passage comprises a composite of a first hole and a second hole, wherein the first hole has a first diameter and the second hole has a second diameter larger than the first diameter, and
- a rotor disposed within the central opening of the stator body, wherein the rotor comprises a plurality of external lobes configured to engage with the plurality of vanes of the stator, such that the plurality of vanes and the plurality of external lobes define fluid chambers therebetween configured to expand and contract as the rotor rotates within the stator.
Dependencies are inferred from the claim text.