pressure (Total 382201 Patents Found)

Blood pressure in animals is reduced by administering tyrosine, a tyrosine precursor, tryptophan or mixtures thereof, either alone or in combination with a substance which is known to reduce blood pressure. A novel composition is provided comprising a unit dosage form of tyrosine, a precursor for tyrosine, tryptophan o...
A process for adjusting the boost pressure in an internal-combustion engine, supercharged by an exhaust-gas turbocharger with adjustable turbine diffuser, to a predetermined desired boost-pressure value dependent on the operating point. To improve the efficiency of the internal-combustion engine in the non-steady-state...
An diaphragm electrolytic cell for decomposing brine into free chlorine gas for distribution in a water pool against varying gas pressure. The cell has a brine inlet column, a liquid product discharge column, and a chlorine withdrawal column extending above the cell, with the brine inlet column vented to the atmosphere...
The capacity of a high-pressure pump ( 6 ) is regulated by a valve system including a variable-capacity on-off valve ( 23 ) and an overpressure valve ( 31 ). The overpressure valve has a valve body ( 33 ) having a cylindrical wall ( 35 ) forming a cavity ( 34 ) in which slides a shutter ( 37 ) having a lateral wall ( 5...
The present invention relates to a trocar and method for penetrating body tissue. The trocar includes an obturator assembly and a cannula assembly. The obturator assembly has an obturator shaft with a distal end portion adapted to penetrate body tissue and at least one channel extending between a proximal end portion o...
A method and apparatus for conditioning cryogenic fuel includes providing a primary storage tank for liquefied cryogenic fuel, a vapor storage tank communicating with the primary storage tank for storing vapor withdrawn from the primary storage tank at a higher pressure than the pressure in the primary storage tank, an...
A pressure sensor element for mounting in a connecting element comprises an isolator body with a laterally projecting membrane. The laterally projecting membrane covering an opening of a passage through which the pressure present at the surface of the membrane is conveyed to a pressure transducer element by means of a ...
A brake hydraulic pressure control apparatus providing anti-lock control for preventing the locking of vehicle wheels during braking and providing traction control to prevent slipping of the vehicle wheels during starting or accelerating of the vehicle, the apparatus comprises a master cylinder assembly including a bod...
In a method for automatic non-invasive monitoring of a patient's blood pressure, a cuff is applied around an arm of the patient and inflated to a predetermined pressure. Thereafter the pressure applied to said cuff is stepwise reduced. On the basis of the amplitudes or peak-to-peak values of the oscillations of the...
To obtain higher current yield from ion current measurable across the electrodes of a spark plug upon application of a biasing potential thereto, occurring immediately after an ignition event due to ionization of burning hydrocarbons within the combustion chamber of an internal combustion engine (ICE), the polarity of ...
A beverage carbonator constructed as a pitcher shaped pressure vessel which functions as a carbonation chamber and which has a water canister and a gas generation chamber removably positioned inside the carbonation chamber. Carbon dioxide is produced by releasing internally stored water from the water canister into a c...
In a blow-off device for limiting excess pressure in nuclear power plants, a condensation tube disposed so that a lower outlet end thereof is immersed in a volume of water in a condensation chamber having a gas cushion located in a space above the volume of water, and an upper inlet end of the condensation tube extends...
A pressure operated switch construction and method of making the same are provided, the pressure operated switch construction comprising a housing having an external surface and carrying an electrical switch unit and a diaphragm assembly therein, the housing having an opening passing through the external surface thereo...
A toner image carried by a heat softenable layer of a receiving sheet is fixed by feeding it into a pressure nip between a pressure member and a ferrotyping belt. To preheat the heat softenable layer, it is urged against the belt by a pressure or squeegee roller which contacts the back of the receiving sheet and urges ...
Methods and pharmaceutical formulations of alpha 2 agonists and alpha 3 antagonists which are useful in lowering intraocular pressure (IOP) and treatment of intraocular hypertension. Co-administration of a therapeutic amount of alpha 2 agonist with a potentiating amount of alpha 3 agonist is effective in lowering I...
A polymerized microemulsion pressure sensitive adhesive composition is described. The composition has peel adhesion of at least 3 Newtons/100 mm as measured according to a PSTC-1 Test. The composition preferably has a bicontinuous structure of a continuous phase of a hydrophobic pressure sensitive adhesive polymer and ...
A high-pressure sodium vapor lamp with elevated color temperature, high light yield and improved color rendering properties for general illumination purposes uses sodium or sodium amalgam with mole fractions x Na >0.9 as the arc media. The lamp power supply supplies pulses with a duty cycle Γof 0.01>Γ>0.1 w...
A pressure-measuring head for measuring the pressure of a fluid consists of a membrane-like diaphragm (6), which separates a pressure chamber (4) from a reference chamber (7), to which the pressure-sensitive elements, e.g., thick-film resistors or strain gauges, are applied. Under the effect of the pressure in the pres...
An electronically controlled fuel supply system is provided for employing a plurality of fuel injectors which maximize SAC pressures under both low speed and high speed operating conditions and are capable of sustaining SAC pressures in excess of 30,000 psi. The fuel supply system of the present invention includes a ge...
A line pressure control system for a continuously variable transmission which includes a continuously variable member, a clutch and a pressure transducer for providing a feedback signal for both closed loop line pressure and closed loop clutch control. The line pressure control system includes a closed loop control str...