7 results about "Twin-turbo" patented technology

The invention provides a method, system, equipment and medium for obtaining the average velocity of well logging shaft fluid, and the method comprises the steps that double-turbine well logging information is collected, and the double-turbine well logging information comprises large-diameter blade turbine velocity profile information and small-diameter blade turbine velocity profile information; corresponding large-diameter blade turbine apparent velocity and small-diameter blade turbine apparent velocity are obtained based on the large-diameter blade turbine velocity profile data and the small-diameter blade turbine velocity profile data; a speed model is established based on the relation between fluid speed distribution of the wellbore shaft and the distance between the measuring point and the wellbore shaft, the apparent velocity of the large-diameter blade turbine and the apparent velocity of the small-diameter blade turbine, and the average velocity of wellbore fluid is obtained based on the speed model; according to the method, the output profile logging evaluation precision is improved, the output profile logging interpretation precision is improved, and reliable technical support is provided for dynamic analysis of gas reservoir production and formulation of adjustment measures.

The present application belongs to the technical field of turbine flowmeter, and discloses a double turbine flowmeter, which comprises a flowmeter, a detection flow channel is arranged in the flowmeter; a first sealing step and a second sealing step are arranged in the detection flow channel, and a backflow channel is communicated between the first sealing step and the second sealing step; a quick connecting assembly is used for mounting the flowmeter to a pipeline; the quick connecting assembly comprises a fixing assembly and a sealing ring which is sealed between the outer wall of the pipeline and the inner wall of the detection flow channel, the fixing assembly is configured to make the pipeline and the sealing ring abut to the first sealing step and the second sealing step respectively; the sealing ring comprises a first sealing ring and a second sealing ring which are mutually abutted along the axial direction through guide inclined surfaces, when fluid impacts the sealing ring axially through the backflow channel, part of the axial impact force is decomposed into a radial inner component force acting on the first sealing ring and a radial outer component force acting on the second sealing ring through the guide inclined surfaces.

This utility model relates to the field of hydraulic transmission equipment technology, specifically to a composite dual-turbine hydraulic torque converter, comprising a dual-turbine hydraulic torque converter body, an input shaft disposed at the input end of the dual-turbine hydraulic torque converter body, and an output shaft disposed at the output end of the dual-turbine hydraulic torque converter body. Both the input and output shafts are fitted with sealing sleeves, which are detachably mounted on the dual-turbine hydraulic torque converter body. A rigid clamping ring is disposed inside the sealing sleeve and fitted onto the corresponding shaft. An inner sealing ring is disposed between the rigid clamping ring and the front cylindrical body of the sealing sleeve. An inner bushing is disposed on the rear side of the rigid clamping ring. Inner fitting gaskets are disposed on both the inner and outer end faces of the inner bushing. The inner fitting gasket on the inner side fits onto the corresponding shaft, and the inner fitting gasket on the outer end face abuts against the rear side of the rigid clamping ring. This utility model has good sealing performance, achieving the effect of improving sealing reliability and ensuring stable equipment operation.

A double turbine, includes: a rotatable deflector disc including a first base plate and a second base plate facing opposing directions along an axis of rotation; a first plural number of first vanes each pivotally mounted on the first base plate and uniformly spaced around the axis of rotation by a vane spacing angle; a second plural number of second vanes each pivotally mounted on the second base plate, and uniformly spaced around the axis of rotation by the vane spacing angle, the second plural number being equivalent to the first plural number; wherein each first vane is angularly positioned with respect to the rotation axis as between two second vanes. Multiple such double turbines can be stacked with a progressive helical twist such that each one double turbine is offset from at least one adjacent double turbine by a common twist angle with respect to the axis of rotation.

The utility model discloses a kind of ammonia circulation gas turbine-double turbine expander combined structure, including air supply unit, compressor, combustor, gas turbine and flue gas discharge channel being sequentially connected in series, and coil pipe, booster pump, turbine expander, compressor is mechanically linked with gas turbine by a rotating shaft, first coil pipe is filled with ammonia decomposition catalyst, liquid ammonia supply unit is sequentially connected booster pump, second coil pipe, first turbine expander, first coil pipe, second turbine expander and fuel regulating valve by pipeline, finally access the fuel inlet of combustor;The output end of first turbine expander and second turbine expander is connected kinetic energy conversion device respectively.The utility model is to the staged utilization of ammonia fuel energy by double turbine expander, combined with the heat exchange of flue gas waste heat in coil pipe and the chemical energy release of ammonia decomposition, when not combined with heat and power, single machine thermal efficiency can be as high as 70% or more, compared with traditional single cycle gas turbine efficiency is greatly improved.

1. The name of the design product: slippers (double turbine anti-skid drainage). 2. The use of the design product: slippers. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The utility model relates to the technical field of projectors, and discloses a projector three-dimensional cooling system based on a double-turbofan array, which is used for cooling a display unit surface of a projector main body and consists of turbofans, a cooling air duct, a projector display unit, two air inlets and two air outlets, wherein the turbofans comprise a first turbofan and a second turbofan, the two air inlets comprise a first air inlet and a second air inlet respectively, the two air outlets comprise a first turbofan air outlet and a second turbofan air outlet, and the heat dissipation air ducts comprise a first heat dissipation air duct and a second heat dissipation air duct; according to the projector three-dimensional heat dissipation system based on the double-turbofan array, the two groups of turbofan arrays are utilized to carry out omnibearing multi-surface heat dissipation on the projector, a display unit can be subjected to multi-surface heat dissipation, the temperature of the display unit is balanced, independent heat dissipation air channels and inlets and outlets on two surfaces are different, heat dissipation is efficient and rapid, and mutual interference is avoided.