Liquid flow regulating device and dynamometer testing device
OwnerNils Engstrominventor
Life of this patent
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Abstract
The present invention relates to a regulating device (1) for control of flow and/or pressure, including a housing (3) a enclosing a movable inner member (2) which is provided with a passage corresponding to the housing inlet. The inlet comprises at least two ports (4,5,6,7) which are spaced apart with a circumferentially equal distance, and the passage comprises apertures (8,9,10,11) positioned correspondingly. The inner member (2) is fitted with radial play inside the housing so that in operation a leakage of the liquid to be regulated will enter between the inner member and the housing so that these elements are in a floating relationship, whereby the inner member is relieved from radial forces in operation. The invention also concerns a dynamometer testing device.
Claims12
Regulating device for control of liquid flow and/or pressure, including a housing having an axis and a circumferential extension, and-being provided with an inlet and an outlet and enclosing an inner member which is arranged to be movable by means of an actuator relative to the housing and provides a passage for regulated liquid flow, chatacterised in
- that the inlet comprises at least one group of at least two substantially radial ports which are spaced apart with a circumferentially equal distance, and
- that the passage comprises a number of radial apertures each positioned correspondingly with respect to each port,
- that the inner member is fitted with a minor radial play inside the housing so that in operation a minor leakage of the liquid to be regulated will enter a slit between the inner member and the housing,
- whereby the inner member is substantially relieved from radial forces in operation.
Dependencies are inferred from the claim text.