Importance

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Abstract

A shock wave generator is provided incorporating a compressed gas reservoir, a high speed valve assembly, and a shock tube. The high speed valve assembly is arranged to open and close selectively a gas passage extending from the compressed gas reservoir to the shock tube. The high speed valve assembly comprises a valve sleeve, a valve seat, and a valve sleeve driving assembly. The valve sleeve is arranged to extend across the gas passage between a first side of the gas passage and a second side of the gas passage. The valve seat is arranged on the second side of the gas passage and is positioned to receive the valve sleeve upon extension of the valve sleeve across the gas passage. The valve sleeve driving assembly is arranged to cause extension and retraction of the valve sleeve across the gas passage. The valve sleeve defines a circular cross section and an epicentral valve sleeve axis and includes a valve sleeve flange arranged on a leading edge thereof. The valve seat is positioned to receive the valve sleeve flange such that pressurized gas from the compressed gas reservoir forcibly urges the valve sleeve flange against the valve seat.

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First Claim