| 摘要 |
A torque motor ( 10 ) includes a support ( 20 ), a jet tube passage ( 42 ) in the support having a first end opening ( 43 ) and a second end opening ( 45 ), a jet tube ( 30 ) extending into the jet tube passage ( 42 ) through the first end opening ( 43 ) for directing a flow of fluid into a chamber ( 40 ) in fluid communication with the jet tube passage second end opening ( 45 ), and a flexible, convoluted, seal ( 46 ) hermetically connected to the jet tube passage ( 42 ) and the jet tube ( 30 ) for sealing the jet tube passage first end ( 43 ) while permitting at least a portion of the jet tube ( 30 ) to move relative to the jet tube passage ( 42 ).
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