industrial truck with an electric hydraulic pump unit
DE102014110484B4Active Publication Date: 2026-07-16JUNGHEINRICH AG
Patent Information
- Application Number
- DE102014110484
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2014-07-24
- Publication Date
- 2026-07-16
- Estimated Expiration
- 2034-07-24
Smart Images
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Abstract
Industrial truck with: • a hydraulic pump unit (28) comprising an electric drive motor, • a control unit (32) for controlling the drive motor, • a lifting cylinder (50) for lifting a load carrier, • a control valve (38) through which the lifting cylinder (50) can be supplied with hydraulic fluid, • a connecting line (36) connecting the control valve (38) to a pressure side of the hydraulic pump unit (28), • an actuating element (22) for triggering a lifting operation, and • a pressure accumulator (40) connected to the connecting line (36) so that hydraulic fluid for the lifting operation can be supplied wholly or partially from the pressure accumulator (40), characterized in that: • the control unit (32) is designed to control the drive motor independently of any actuation of the actuating element (22).
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Citation Information
Patent Citations
lift truck with hydraulic drives fed by a pressure medium pump via a pressure accumulator
DE1185120B
Method and device for controlling a hydraulic system of a working device
DE19543876A1
drive for passenger and / or freight elevators
DE2021957A1
Electric truck having elevated load potential energy recovery with means to adjust rate of carriage descent
US3947744A
lift truck with hydraulic drives fed by a pressure medium pump via a pressure accumulator
DE1185120A