| 摘要 |
The invention relates to a regulator device ( 1 ) for a hydraulic pump which pumps into at least one working pipe ( 13 ), and to a valve unit for said pump. The pumping volume of the hydraulic pump ( 1 ) is regulated with the aid of a regulator device ( 15, 19 ) exposed to a regulating pressure which is regulated by an adjusting valve ( 26 ) in conformity to a first and a second pressure. The first pressure passes through a first pressure pipe ( 38 ) and acts on a first measuring surface, the second pressure passes through a second pressure pipe ( 39 ) and acts on a second pressure surface opposite to the first surface of the adjusting valve ( 26 ), the first pressure being higher than the second pressure. Said invention is characterized in that a pressure chamber ( 45 ) is arranged between the first and second measuring surfaces, thereby forming a discharge channel towards the second pressure pipe ( 39 ).
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