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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12607205-B2, on 21 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000107

Energy recovery charging of an accumulator in a low-pressure compensation circuit of an electro-hydrostatic actuator

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Industrial Motion & Power Transmission › Fluid Power
Original source
US-12607205-B2, the United States Patent and Trademark Office, 21 April 2026
Document SHA-256
d9dc06c987494c424a0ff0e83de608db52f35eaaf83646a817463374615f54b3

Abstract

An electro-hydrostatic actuator having a main circuit, a charging circuit and four different operating quadrants uses return flow from the main circuit to the charging circuit to charge an accumulator of the charging circuit during an actuator-retracting pumping quadrant and an actuator-retracting motoring quadrant of the actuator's four different operating quadrants. A charged state of the accumulator is used to deliver compensatory flows to the main circuit during at least some instances of an actuator-extending pumping quadrant and an actuator-extending motoring quadrant of the four different operating quadrants.

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Citation

OpenTechnical Publication OT-2026-000000107, “Energy recovery charging of an accumulator in a low-pressure compensation circuit of an electro-hydrostatic actuator,” published September 15, 2026 at 19:02:29 UTC, https://opentechnical.org/p/OT-2026-000000107.

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