Flexible tubular wall pneumatic actuator with position transduce

Details Flexible tubular wall pneumatic actuator with position transduce Flexible tubular wall pneumatic actuator with position transduce

1989-06-01

1991-10-01

Look, Edward K.

Expansible chamber devices

With inspection window in expansible chamber wall portion

With lock

F01B 3112

Patent

active

050522736

ABSTRACT:
A pneumatic actuator includes a tubular body made of a rubber-like elastic material and a braided structure made of organic or inorganic high-tensile-strength fibers reinforcing an outside of the tubular body. Closure members sealingly close ends of the tubular body; at least one of the closure members has a fluid connecting passage. The tubular body deforms to expand its diameter when pressurized fluid is introduced through the connecting passage to cause contractive force in the longitudinal direction. Contraction-detecting strain gauges at one closure member provide signals corresponding to the contractive force of the actuator.

REFERENCES:
patent: 4615260 (1986-10-01), Takagi et al.
patent: 4804913 (1989-02-01), Shimizu et al.

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