Hydrostatic transmission device ensuring good driveability

US9765799B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9765799-B2
Application numberUS-201214237589-A
CountryUS
Kind codeB2
Filing dateJul 26, 2012
Priority dateAug 8, 2011
Publication dateSep 19, 2017
Grant dateSep 19, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present disclosure is directed to a hydrostatic transmission apparatus including a pump, a first motor, and a second motor having two elementary motors. Each of the motors having first and second enclosures for feed/discharge. In work mode and in road mode, the second enclosure of the first elementary motor of the second motor and the first enclosure of the first motor are connected together in series, the second enclosure of the first motor being connected to the second port of the pump, and the second enclosure of the second elementary motor of the second motor is connected to the second port of the pump. In work mode, the first enclosure of each of the two elementary motors of the third motor is connected to the first port of the pump.

First claim

Opening claim text (preview).

The invention claimed is: 1. Hydrostatic transmission apparatus including: a hydraulic pump with two main ports; a first hydraulic motor; and a second hydraulic motor including at least a first elementary motor and a second elementary motor, each elementary motor and the first motor having first and second enclosures for feeding fluid to the motor and for discharging fluid therefrom; the apparatus has at least two operating modes referred to as work mode and road mode, in wh…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • Mechanical Engineering · mapped topic

  • F15B11/22Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

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Frequently asked questions

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What does patent US9765799B2 cover?
The present disclosure is directed to a hydrostatic transmission apparatus including a pump, a first motor, and a second motor having two elementary motors. Each of the motors having first and second enclosures for feed/discharge. In work mode and in road mode, the second enclosure of the first elementary motor of the second motor and the first enclosure of the first motor are connected togethe…
Who is the assignee on this patent?
Prigent André, Gostomski Romain, Heren Jean, and 1 more
What technology area does this patent fall under?
Primary CPC classification F16H61/4043. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Sep 19 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).