Oil adding device

Oil adding device

  • CN 105,042,962 A
  • Filed: 06/24/2015
  • Published: 11/11/2015
  • Est. Priority Date: 06/24/2015
  • Status: Active Application
First Claim
Patent Images

1. a refueling device, is characterized in that, comprising:

  • Shell (1);

    Piston (2), is slidably arranged in described shell (1), and and form seal oil chamber (4) between described shell (1);

    Elevating mechanism (3), is connected on described piston (2), and drives described piston (2) to slide along the inwall of described shell (1);

    Connect hydraulic fluid port (5), be arranged on described shell (1), and be communicated with described seal oil chamber (4).

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