Working oil cooler

A technology of working oil and cooler, which is applied in the direction of fluid pressure actuators, soil movers/excavators, fluid pressure actuator system components, etc., which can solve the problems of high manufacturing cost and design restrictions, and achieve the increase of manufacturing cost , Avoid damage, prevent pulsation and abnormal high pressure
CN1916431AActive Publication Date: 2007-02-21SHINTAKESHI IND
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
SHINTAKESHI IND
Publication Date
2007-02-21

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Abstract

A cooler of working oil is prepared as forming said cooler by connecting multiple heat conduction tubes in parallel way to form heat radiation unit, setting formed cooler between inlet chamber at lead in port of working oil sent from oil pressure device and outlet chamber at send out port of working oil sent from oil pressure device, connecting buffer chamber with air storage unit through to inlet chamber for utilizing air in air storage unit to absorb pulsation and pressure rise of working oil at inlet chamber in order to cool working oil stably.
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Description

technical field

[0001] The present invention relates to a working oil cooler which is connected to a hydraulic circuit for controlling hydraulic equipment and cools working oil whose temperature increases with use of the hydraulic equipment. Background technique

[0002] For example, hydraulic forklifts, hydraulic stamping machines, etc., hydraulic equipment that has a hydraulic circuit and uses a hydraulic motor to send working oil to make the actuator work, when using high-pressure working oil and high-resistance actuators etc., the temperature of the working oil tends to increase, and as a result, there are problems such as deterioration of the working oil and leakage from the sliding part due to a drop in viscosity. The pipe body or sealing member constituting the hydraulic circuit may also be damaged due to an abnormal temperature rise of the working oil.

[0003] Therefore, if Figure 4 As shown, in the hydraulic circuit from the working oil tank 20 through the hydrau...

Claims

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