Dynamic, shear-mode piezoelectric pressure sensor

A dynamic pressure sensor comprising:

• a housing;
• a support member comprising a base for engaging said housing, a first mounting member having two parallel surfaces and an aperture disposed between said surfaces and a second mounting member having two parallel surfaces and an aperture disposed between said surfaces;
• a first piezoelectric electric unit for providing an electrical signal when subjected to a dynamic shear load, said first unit being disposed on one of said two parallel surfaces of said first mounting member and including an aperture in alignment with said aperture of said first mounting member;
• a second piezoelectric unit for providing an electrical signal when subjected to a dynamic shear load, said second unit being disposed on said other surface of said first mounting member and including an aperture in alignment with said aperture of said first mounting member;
• bolt means disposed through said apertures of said first mounting member and said first and second piezoelectric units for securing said units to said first mounting member;
• coupling means for receiving dynamic pressure loads and for coupling said loads to said bolt means;
• and,
• piezoelectric sensing means for sensing acceleration mounted to said second mounting member, said sensing means for providing compensation for acceleration;
• whereby dynamic pressure sensed by said coupling means is coupled to said bolt means thereby placing shear loads on said first and second piezoelectric units.