Hydraulics - Seafish
Hydraulics - Seafish
Hydraulics - Seafish
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95<br />
Responses to the Self<br />
Assessment Questions<br />
SAQ1<br />
Your list should include, tank, pump, control valve, filters, relief<br />
valve and cylinder or motor.<br />
You may also have included breathers, pipelines and pressure<br />
gauges.<br />
SAQ2<br />
a) b)<br />
(a) in a heater, heat passes<br />
intothefluid.<br />
b) in a cooler, heat is<br />
removed from the fluid.<br />
SAQ3<br />
The vanes are kept in contact with the casing by one of the<br />
following methods:<br />
• Centrifugal force throwing the vanes outwards.<br />
• Springs on the underside of the vanes.<br />
• Oil at system pressure being fed to the underside of the<br />
vanes.<br />
• Curved push rods. (Vickers Pumps). As one vane is pushed<br />
in by the shape of the casing, another is pushed out by the<br />
curved rod.<br />
<strong>Seafish</strong> Open Learning
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