Hydrodynamic flow limiter for membrane head of membrane compressor has cone with bores to block oil flow from one direction and permit it from other direction, has no moving parts
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Safety closure for pressure vessel
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Oil control valve for diaphragm compressor - has spring-loaded piston lifted from seat by gas pressure to release oil
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Control system for small vibratory agitators - having soft iron element inside coil fed by varying signal from wobble generator to ensure that part of time optimum agitation is achieved
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Electronic automatic control for electromagnetic agitators - uses permanent magnet to trigger field plate sensor with flip flop and logic OR:gate
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Automatic restarter for syn. permanent magnet coupling - is driven by motor by resistance variations caused by component sensitive to magnetic field
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Method for achieving high pressures with a diaphragm compressor
