| 摘要 |
879,544. Liquid-pressure engines. UNIPAT A. G., and DOWTY HYDRAULIC UNITS Ltd. Feb. 20, 1959 [Feb. 26, 1958; Dec. 11, 1958], Nos. 6273/58 and 40018/58. Addition to 824,945. Class 69 (2). [Also in Groups XXVI and XXVIII] The hydraulic balancing means between the rotating cylinder block 1 and valve plate 22 of the motor of the parent Specification is modified by including in its sealing means (Group XXVI) a restricted flow passage, all other features of the motor being identical with what is described in the parent Specification.
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