发明名称 New device for applying a determined force to an element connected to an installation subjected to alternating movements
摘要 This device comprises in combination means for passive compensation of the alternating movements of the installation, comprising at least one articulated jack connected to a source of pressurized fluid, and complementary means for fine compensation, these complementary means activating the passive compensating means in response to the variation of a parameter which characterizes the movements of the installation.
申请公布号 US3948486(A) 申请公布日期 1976.04.06
申请号 US19730395011 申请日期 1973.09.07
申请人 INSTITUT FRANCAISE DU PETROLE, DES CARBURANTS ET LUBRIFIANTS 发明人 JOURDAN, GERARD;JOUBERT, PHILIPPE;HOLUB, SERGE
分类号 E21B19/09;(IPC1-7):B66D1/50 主分类号 E21B19/09
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