64 results about "Pressure tuning" patented technology

A pulse wave measuring apparatus extracts a direct current component from a pressure value obtained from a sensor pressure (S113), and defines the pressurization force of the cuff as the optimum pressurization force when that direct current component is stable. Following determination of the optimum pressurization force, the pulse wave measuring apparatus monitors whether the direct current component obtained from the pressure sensor is optimum or not (S119), and adjusts the pressure (S117), when not By determining the rising sharpness of the peak and waveform distortion in the sphygmographic waveform (S121, S123), determination is made whether the pressurization force of the cuff is appropriate or not to carry out further adjustment of pressure (S117), as necessary.

Disclosed is a method of Deuterium fusion and more particularly, a fail-safe, controlled bubble fusion reactor producing a power output of electricity and heat. It is self contained having 3 internal main chambers and externally mounted computer and electric power output terminals. Internal Chamber A contains devices for removing gases and solids, storage of fresh and spent liquid, pump and heat exchanger, pressure regulator and check valve, and sensors. Chamber B contains circulated pure liquid D2O within which are mounted a pair of parallel electroacoustical piezoelectric quartz crystal transducers with a narrow reaction gap between supplied with transducer energies of ultra-sonic sound plus amplitude modulated UHF EM. A cycled gap sonic pressure wave creates small bubbles which absorb both gap energies so as to cycle through radius increases during the negative portion of the energies cycle and then violent collapse during the positive portion of the energies cycle to a very small radius in 2 stages. During end of final stage, a collapsing spherical bubble produces a spherical shock wave allowing ''selective resonant tunneling'' through the Coulomb barriers of pairs of adjacent Deuterium nuclei resulting in fusion. Chamber C contains 2 RF generators and some electronics for controlling the fusion reaction. External computer provides electronic fail-safe oversight, visual touch-screen display of system functions for monitoring and making adjustments, and manual by-pass fail-safe override push switch.

An apparatus and methods for the precise, repeatable dispensing of small, sample fluid volumes, especially as related to the printing of microarrays for biological and / or chemical testing. A pressure tuning module meters fluid volumes for aspiration and dispensation and builds pressure for fluid dispensation, in conjunction with a microvalve that precisely controls the volume of the fluid dispensed under the built pressure. A pressure source can be switched in line to efficiently purge the apparatus of residual sample fluid. A working fluid can be optionally aspirated into the system, prior to aspirating the sample fluid, in order to maximize sample fluid recovery.