A method and a system to provide allocation of mixed flow to individual sources in oil and gas production systems by measuring mixed flow; analyzing the composition; accessing the data for the mixed flows; and calculating the flow from each source with an allocation algorithm using the mixed flow, the analyzed composition and the composition of at least one source.

A method for determining mud slowness of a mud in a borehole includes determining slowness as a function of frequency for at least one fluid mode from a set of measurements acquired with a sonic tool in the borehole; and determining the mud slowness from the slowness as a function of frequency for the at least one fluid mode. A downhole sonic tool includes a transmitter capable of generating signa...

PROBLEM TO BE SOLVED: To surely mount a motor in a prescribed position by providing a circular mount hole formed with an intermediate point of a line connecting axial cores of both gear set to a center and a guide groove crossing at right angles with a line connecting the axial cores and formed continuously with the mount hole in a mounting plate journaling two driven gears. SOLUTION: This gear tr...

PROBLEM TO BE SOLVED: To lower the NOx of combustion gas by supplying the interior of a combustion chamber with nitrogen efficiently, in the diffused combustion using the fuel for gasification high in occurrence rate of NOx of combustion gas. SOLUTION: This gas turbine combustor is provided with a jet nozzle 45 for coal gasification fuel, a nitrogen jet nozzle 42, and an air jet nozzle 49 in circu...

A method of operating an electric furnace which permits judging whether or not the state in which slag is produced in the electric furnace steel production is allowable by measuring the NOx content in the exhaust gas and which conditions the forming state to keep molten steel completely out of contact with the air so as to achieve a low nitrogen content consistently when the molten steel is tappe...

PROBLEM TO BE SOLVED: To provide a hybrid drive controller which does not need change of forward/backward motion by using an unlimited variable transmission. SOLUTION: A hybrid drive device has a gasoline engine 1 and a motor- generator 2, the continuously variable transmission which change torque ratios between a primary shaft 8 and a secondary shaft 15, and an unlimited variable transmission 18,...

PROBLEM TO BE SOLVED: To prevent the generation of shock in returning a throttle valve at the start of shift and to prevent a slow feeling of shift and a feeling of stalling in a shift control device for a mechanical automatic transmission. SOLUTION: This shift control device for a mechanical automatic transmission with a friction clutch is provided with a throttle valve electrically connected to ...

PROBLEM TO BE SOLVED: To avoid a state that a lane maintaining by a lane maintaining control cannot be performed caused by acceleration by an inter-vehicle distance control. SOLUTION: Lane maintaining continuable speed VL is calculated based on a curve curvature &beta z in front of a vehicle (step S6). When set speed Vc is more than the lane maintaining continuable speed VL and a preceding vehicle...

PROBLEM TO BE SOLVED: To effectively utilize thrust force which operates to at least one of a pair of output members to be engaged with a planetary gear having helical teeth. SOLUTION: In a disc part 31 of a carrier 30, a plurality of through holes 31a are formed in a circumferential direction at a constant interval. Between the disc part 31 and a sun gear 50, and between the disc part 31 and an o...

PROBLEM TO BE SOLVED: To reconcile improved fuel consumption and drivability by preventing booming noise and vibration in a lockup operation and establishing lockup control from a low vehicle speed range. SOLUTION: Booming noise and vibration in lockup control are prevented by means of a torque fluctuation detecting means for detecting a shortage or overage of torque generated by an engine, a gene...

PROBLEM TO BE SOLVED: To provide a comprehensive control device for a vehicle which preferably prevents a speed change shock at the time of down speed change. SOLUTION: When a synchronization is smoothly carried out by temporarily raising a rotation speed NE of an engine 10 at the time of down speed change of an automatic transmission 16, an output torque TE of an engine by driving a suction valve...

PROBLEM TO BE SOLVED: To obtain a differential gear case which can lighten and has excellent mechanical properties without unevenness thereof and manufactures in a low cost, and a manufacturing method thereof. SOLUTION: The differential gear case is composed of an aluminum alloy of composition containing by mass ratio of 4.0-8.0% Si, <=1.0% Mg, <=1.0% Fe or further, <=6% Cu and the balance substan...

PROBLEM TO BE SOLVED: To provide a vehicular motion control device capable of attaining compatibility between smooth acceleration feeling with having G(gravity) fluctuation in a front-and-rear direction suppressed and excellent acceleration performance even in change of conditions including coefficient of friction on a road surface &mu . SOLUTION: This vehicular motion control device comprises a t...

PROBLEM TO BE SOLVED: To provide a traveling state indicating device capable of clearly and understandably presenting an automatic driving control time traveling state imparting anxiety for a fellow occupant since a control state cannot be understood. SOLUTION: This traveling state indicating device displays an image of a displaying brake pedal, an image 611 of a pedal position corresponding to a ...

PROBLEM TO BE SOLVED: To provide metal foil for a secondary battery negative electrode, having superior active material holding property and electrical conductivity. SOLUTION: This metal foil is used in the secondary battery collector, and satisfies 4.9× 10<8> <=T× S× Y<=31× 10<8> , and 4.5<=&epsi -(0.0005× T<2> )<=15, if thickness(T) is 8-40 &mu m, rupture strength is def...

PROBLEM TO BE SOLVED: To provide a control unit that controls by the small compression force as much as passable, while preventing the slippage of a power transmission member, in a stepless variable speed gear for vehicle, into which the power is inputted from an engine capable of changing a drive cycle. SOLUTION: It enables small compression force to be as much as passable, while preventing the s...

A calculator estimates the vehicle speed control function of a behavior control unit (15) so as to regulate torque transfer power of clutch (7). The physical parameter for adjusting the vehicle speed is adjusted based on the torque transfer power and accordingly the clutch is regulated. An Independent claim is also included for vehicle drive control method.

PROBLEM TO BE SOLVED: To improve cooperativeness of control of a clutch and control of a predetermined driving force source in a hybrid vehicle having a plurality of driving force sources. Ž

SOLUTION: A driving force controller of the hybrid vehicle determines a desired behavior of the vehicle and controls the plurality of driving force sources based on the determined result. The driving forc...

PROBLEM TO BE SOLVED: To restrain shifting shock while maintaining good variable speed responsiveness. Ž

SOLUTION: This variable speed control method includes: a step (S304) of releasing an engaged first frictional engagement element; a step (S312) of increasing input torque until the rotational frequency of an input shaft of an automatic transmission 116 reaches a first reference rotational ...

The invention relates to a rotor for laboratory centrifuges which is designed for accommodating at least one centrifugation container, and an adapter for accommodating a sample vessel and for use in a laboratory centrifuge rotor. The rotor has at least one hold-down element by which the at least one centrifugation container is held in the rotor and protected from axial displacement. In addition, a...