Invention Grant
- Patent Title: Piston of a hydraulic machine and hydraulic piston machine
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Application No.: US17038818Application Date: 2020-09-30
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Publication No.: US11754059B2Publication Date: 2023-09-12
- Inventor: Stig Kildegaard Andersen , Frank Holm Iversen , Sveinn Porarinsson
- Applicant: Danfoss A/S
- Applicant Address: DK Nordborg
- Assignee: Danfoss A/S
- Current Assignee: Danfoss A/S
- Current Assignee Address: DK Nordborg
- Agency: McCormick, Paulding & Huber PLLC
- Priority: DE 2019130843.7 2019.11.15
- Main IPC: F04B1/124
- IPC: F04B1/124 ; F04B1/2078
Abstract:
A piston (1) of a hydraulic piston machine is described, the piston (1) having a hollow (2) surrounded by a wall (3) and an insert (4) arranged in the hollow (2). Such a piston is used to have a piston machine with high efficiency at low costs. To this end at least two pliable rings (12, 13) are arranged between the insert (4) and the wall (3).
Public/Granted literature
- US20210148342A1 PISTON OF A HYDRAULIC MACHINE AND HYDRAULIC PISTON MACHINE Public/Granted day:2021-05-20
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