68results about How to "Eliminate volume" patented technology

A computer assisted, minimally invasive method and apparatus for surgically removing abnormal tissue from a patient, for example, from a breast, are disclosed. The method involves imaging of the breast to locate the abnormal tissue, and determining a volume encapsulating the abnormal tissue and including a margin of healthy tissue. Based on the volume, a sequence of movements of a surgical instrument for tissue removal device is planned, so as to predictably excise the desired volume of tissue.

Corrosion resistant non-polar polymer coatings and methods for applying the coatings to substrates are described, wherein a source of non-polar polymer powder is deposited as a coating onto the surface of a substrate by high temperature thermal spray. The non-polar character of the powder and any additives thereto is substantially preserved during the high temperature thermal spray process by the use, at one or more locations along the thermal spray route, of at least one non-oxidizing shielding gas, at least one reducing gas, or a combination of the two types of gases to displace or react with ambient oxygen. High velocity impact force (HVIF) spraying techniques are preferred. Similarly processes and materials for low permeability and non-corrosive HVIF coatings for steel fuel tanks are disclosed.

A tubular medical fluid flow set comprises a pressure sensing chamber connected in flow-through relation to fluid flow tubing of the set. The pressure sensing chamber defines a movable, flexible, impermeable diaphragm dividing the chamber into two separate compartments. The fluid flow tubing communicates with one of the compartments and is isolated from the other of the compartments. A port is carried on the chamber, the port having a seal therein, and communicating with the other of the compartments. Thus, the other of the compartments is hermetically sealed until the port is opened for connection with a pressure measuring device, to keep the flexible diaphragm in a desired, initial position prior to opening of the seal.

A tubular medical fluid flow set comprises a pressure sensing chamber connected in flow-through relation to fluid flow tubing of the set. The pressure sensing chamber defines a movable, flexible, impermeable diaphragm dividing the chamber into two separate compartments. The fluid flow tubing communicates with one of the compartments and is isolated from the other of the compartments. A port is carried on the chamber, the port having a seal therein, and communicating with the other of the compartments. Thus, the other of the compartments is hermetically sealed until the port is opened for connection with a pressure measuring device, to keep the flexible diaphragm in a desired, initial position prior to opening of the seal.

A computer assisted, minimally invasive method and apparatus for surgically removing abnormal tissue from a patient, for example, from a breast, are disclosed. The method involves imaging of the breast to locate the abnormal tissue, and determining a volume encapsulating the abnormal tissue and including a margin of healthy tissue. Based on the volume, a sequence of movements of a surgical instrument for tissue removal device is planned, so as to predictably excise the desired volume of tissue.

A device for use in constructing a breathing circuit has at least a first tube and a filter; the filter has a proximal and a distal end; the first tube is attached to the filter distal end. A second tube can be attached to the filter proximal end, wherein the second tube can be detached from the filter for reuse in a breathing circuit formed with the foregoing components. The filter and the first tube may be disposed of after a single use. The first tube has a length sufficient to maintain the filter at a desired distance from a patient airway device when connected thereto. In a preferred embodiment, a fresh gas outlet is provided at the distal end of the first tube resulting in minimal or substantially no mixing space in the circuit, while the disposable first tube and filter create less medical waste than that created by prior art circuits. Mixing space refers to space distal of the fresh gas outlet into the circuit where the fresh gases can mix with recirculated or other gases. In embodiments, the mixing space is less than 15 cm3 or less than about 5 cm3, and the distal disposable filter and tube device is less than 50 cm in length.

A solvent-based adhesive is used to form a continuous, adhesively bonded and welded seam at the longitudinal edge portions of plastic film which have been overlapped. First, a bead of the adhesive is disposed on the edge portion of a web of film passing over an applicator roll. Next, as the film moves between the applicator roll and nip rolls, the adhesive dissolves a portion of the film to form a longitudinal channel having a generally semicircular cross-section. Then the edge portion is overlapped onto the other edge portion with the bead of adhesive between them. Finally the overlapped edge portions are squeezed between the nip rolls, so that the adhesive exudes laterally outward from the groove and is distributed smoothly between the overlapped edge portions, until the adhesive and dissolved film form a uniform band having a rounded hat-shaped cross-sectional profile.

The invention provides a machine for automatically washing chopsticks and belongs to the technical field of electrical equipment. The machine for automatically washing chopsticks solves the problems that an existing machine for automatically washing chopsticks is common in washing quality and low in efficiency. The machine for automatically washing chopsticks comprises a machine case, wherein a feeding port and a discharging port are formed in the machine case, a partition plate is fixedly connected in the machine case, a main conveying belt is rotationally connected to the machine case above the partition plate, an auxiliary conveying belt is rotationally connected below the partition plate, the main conveying belt is fixedly connected with a plurality of fixing rods, a positioning notch is formed in the upper end of each fixing rod, a swashing device, scrubbing device and a washing device are arranged in the machine case, the machine case is fixedly connected to a passing channel, a wipe-drying device is arranged in the passing channel, a drying device is arranged on the auxiliary conveying belt, and a sewage discharging device is arranged on the partition plate. The machine for automatically washing chopsticks is good in washing effect and high in total automation degree and work efficiency.

The invention relates to a mold fabrication method by dividing at least one patterned notch on several thin plates, laminating machining on each cut plate, stacking them into the mold, with the notches formed into the mold cavity, cooling system and ejection system. It can greatly reduce the manufacturing cost and time of mold, getting rid of the extra size of the mold, shrinking it to achieve the goal of light mold.

The invention relates to purple potato health noodles which are characterized by being prepared from the following components in parts by weight: 70-75 parts of wheat meal, 8-12 parts of fresh purple potatoes, 3-8 parts of soybean cakes, 3-8 parts of oat powder, 3-8 parts of lotus seeds and 1.5-2.5 parts of edible salt. The health noodles disclosed by the invention are prepared from the wheat meal, the purple potatoes, the soybean cakes, the oat powder, the lotus seeds and the edible salt at a fixed ratio; the purple potatoes, the soybeans, the oat and the lotus seeds are natural plant raw materials which are free from any additive and are simple and reasonable in ratio; functions of the raw materials supplement each other; the noodles prepared well preserve effective ingredients of the wheat, the purple potatoes, the soybeans, the oat and the lotus seeds, and are rich in nutrition and easy to digest; the noodles have the characteristics of being abundant in nutrition, reasonable in ingredient coordination, low in cost, simple in production process, delicious in taste, and tasty and smooth, and has functions of enhancing immunity, reducing blood pressure, lowering cholesterol, benefiting heart and tonifying kidney, tonifying spleen and checking diarrhea, controlling nocturnal emission and calming nerves, preventing cancers, tonifying spleen and benefiting qi, and clearing away heat and toxic materials; moreover, the noodles can avoid harm on other parts of human body after long-term eating, and have extremely strong disease-resisting and health effects.

Provided is a differential-pressure linear flowmeter. A filter is fixed at one end of a measurer. A filter screen in the filter is obliquely arranged between an inlet end and an outlet end of a filter pipe section. Two ends of a bypass pipe of the measurer communicate with a main pipe and enable the direction of fluid in the bypass pipe to be the same as that in the main pipe. Two ends of a pressure-drawing pipe communicate with the bypass pipe. A differential gage is installed in the middle of the pressure-drawing pipe. An inlet temperature gage and an outlet temperature gage are respectively located at a fluid inlet end and a fluid outlet end of the bypass pipe. A laminar flow component is fixed into the bypass pipe through a positioning clip and located between a fluid inlet end and a fluid outlet of the pressure-drawing pipe. The laminar flow component is internally provided with an outer rim micro channel, a clearance micro channel and an inter-pipe micro channel along an axial direction. The differential-pressure linear flowmeter has following beneficial effects: the application scope of a laminar flowmeter is broadened and reliability and Durability are improved; and defects such as large size, great flow resistance and obstruction of the laminar flowmeter are solved.

The invention provides a differential pressure linear flow meter. A main pipe is connected with an external pipeline to be subjected to flow detection; a pipe bundle type rectifier is arranged in a fluid inlet end of the main pipe; a convergence-divergence spraying pipe is fixed in the main pipe at the downstream of the pipe bundle type rectifier; a laminar flow element is arranged in a bypass pipe, and the laminar flow element is located between the two flow guide holes of a pressure guide pipe; a differential pressure meter is mounted in the middle of the pressure guide pipe; an inlet temperature pressure meter and an outlet temperature pressure meter are mounted on the bypass pipe. According to the differential pressure linear flow meter, the laminar flow element is arranged in the parallel bypass pipe and an anti-blocking filter screen is arranged at an inlet of the parallel bypass pipe; and flowing is accelerated through the convergence-divergence spraying pipe, impurities in fluid are brought away forcedly, and the surface of the filter screen is washed. With the adoption of the differential pressure linear flow meter, the technical disadvantages of a laminar-flow flow meter of large size, large flowing resistance and suitableness of measuring small flow are eliminated, and the practical reliability and the durability are improved; and the differential pressure linear flow meter has the characteristics of high measurement precision, very wide measurement range and linear association between flow and differential pressure.

A seat is disclosed. The seat comprises a moveable seat carriage having a seat pan and a seat back supported thereon. The seat also comprises a seat base supporting the moveable seat carriage thereupon and a support member moveable between a retracted configuration and an extended configuration, wherein a first end of the support member is coupled to the moveable seat carriage and a second end of the support member is coupled to the seat base. The seat also comprises an actuator to move the moveable seat carriage relative to the seat base to thereby transition the seat between an upright and a reclined position, with the movement of the seat carriage driving the support member between the retracted configuration and the extended configuration, wherein the support member stiffens the seat as the seat transitions away from the upright to the reclined position and while in the reclined position.

Corrosion resistant non-polar polymer coatings and method for applying the coatings to substrates is described, wherein a source of non-polar polymer powder is deposited as a coating onto the surface of a substrate by high temperature thermal spray, wherein the non-polar character of the powder and any additives thereto is substantially preserved during the high temperature thermal spray by using a mixture of a non-oxidizing shielding gas or reducing gas, or combination of the two, at one or more locations along the thermal spray to displace or react with ambient oxygen.

The invention discloses a motor-driven comprehensive communication node device based on the software radio technology, and relates to the field of motor-driven communication support. The device comprises a multi-waveform comprehensive base band device, an integrated comprehensive radio frequency device, a comprehensive directional antenna and a comprehensive all-directional antenna. By use of mechanism of combining multi-transmission mean waveform comprehensive integration, integrated comprehensive radio frequency, a multi-frequency band directional antenna, a VHF / UHF all-directional antenna and a short-wave antenna, effects of single function, various types, huge size and weak interconnection ability of current airborne communication devices are effective eliminated, and motor-driven comprehensive communication support integrating various transmission means is achieved. The device is advantaged by strong multi-communication waveform comprehensive integration ability, flexible working frequency configuration, high integrated comprehension degree of antennas, and outstanding lightweight degree, and a multifunctional, highly reliably, light and flexible communication can be achieved especially under the motor-driven condition.

The invention relates to a liquid control system for double-fluid injection, which comprises a liquid source device, a liquid control device, a return suction device and a double-fluid injector, wherein the liquid source device, the liquid control device, the double-fluid injector and the return suction device are connected by hoses in turn, and liquid supply and recovery of the double-fluid injector are realized. In a liquid source device, a hydraulic pump is adopted to convey liquid to the system, and a peristaltic pump is used to reduce impulse. In the liquid control device, a liquid electromagnetic valve is adopted to supply continuous or impulse liquid flow to downstream equipment, a liquid one-way valve is arranged in the path of liquid before entering a mixing chamber to prevent liquid backflow caused by overhigh pressure in the mixing chamber, a return suction opening is formed on the other side of the mixing chamber, and a micro air pump is used to suck liquid before the system stops working to avoid trailing, wire drawing and other phenomena. The system can be used in ink injection, glue injection and welding processes and other processes, particularly a double-fluid injection spot gluing process.

A direct coal liquefaction method and apparatus in which the feed coal is mixed with a recycled 600° F.+ non-donor stream in which the ratio of coal to said stream is at least 1.5:1 on a moisture free basis to form an input slurry to a DCL reactor. Hydrogen containing treat gas is supplied to the reactor. 1000° F.− bottoms from the reactor are recycled as part of the 600° F.+ non-donor stream. 1000° F.+ bottoms from the reactor are gasified in a PDX unit to provide hydrogen for the DCL reaction. The ratio of recycled bottoms to feed coal is between 1:0.5 and 1:1.5.

There is disclosed a combustion chamber of internal-combustion engines, which includes a combustion chamber wall body, a combustion chamber piston in the wall body cavity and a mechanism disposed outside the bottom of the combustion chamber piston capable of making the combustion chamber piston be in reciprocating motion along the centre-line of the combustion chamber. Using the inventive structure can eliminate the volume of the combustion chamber and reduce the residual waste gas in the combustion chamber via the movement of the combustion chamber piston at the end of the instroke.

A direct coal liquefaction method and apparatus in which the feed coal is mixed with a recycled 600° F+ non-donor stream in which the ratio of coal to said stream is at least 1.5:1 on a moisture free basis to form an input slurry to a DCL reactor. Hydrogen containing treat gas is supplied to the reactor. 1000° F- bottoms from the reactor are recycled as part of the 600° F+ non-donor stream. 1000° F + bottoms from the reactor are gasified in a POX unit to provide hydrogen for the DCL reaction. The ratio of recycled bottoms to feed coal is between 1:0.5 and 1:1.5.

The invention discloses a long-distance measuring and metering device for engineering construction. The long-distance measuring and metering device comprises a binocular laser emitting device, a measuring laser device clearance-free continuous adjusting mechanism, a flexible pre-tightening mechanism and a measuring head shell mechanism. The invention belongs to the technical field of laser ranging, and particularly relates to a long-distance measuring and metering device for engineering construction. A hydraulic transmission mechanism is additionally arranged between rigid transmission devices, the problem of measurement errors caused by mechanical clearance is solved, in addition, a flexible pre-tightening mechanism is creatively provided, pre-tightening force is provided for an arc-shaped cylindrical swing piston through a pre-compressed pre-tightening spring body, and the mechanical clearance is reduced. And under the condition that the sliding block has clearance, the sliding block is reversely pressed through the pre-tightening spring body, so that the sliding block is kept in a certain fixed state.

The invention provides an H-bridge variable driving topological structure. Suppose that the phase number of an open winding motor is 2N, and N is equal to or larger than 2, the power pack of the H-bridge variable driving topological structure comprises N direct-current power sources; each direct-current power source comprises a positive output terminal and a negative output terminal; the power switch set of the H-bridge variable driving topological structure comprises 2N power switches; the H-bridge set of the H-bridge variable driving topological structure comprises 4*2N power tubes, so as to form 2N H-bridges; each H-bridge comprises a left bridge arm and a right bridge arm which are divided by one open winding motor; each bridge arm is formed by connecting the drain electrode of a power tube with the source electrode of another power tube in series, while after connection in series, the drain electrode end of the bridge arm is connected with a power switch and then connected to the positive output terminal of a direct-current power source, and the source electrode end of the bridge arm is connected with another power switch and then connected to the negative output terminal of the corresponding direct-current power source; and a wiring terminal is arranged between the drain electrode and the source electrode, which are connected in series, of each bridge arm in each H-bridge, and is connected with a terminal of a winding of one open winding motor, and power of two H-bridges corresponding to windings of the same function are supplied by the same direct-current power source.

The invention discloses a magnetic integrated type hybrid power filter and reactive compensation system which comprises a five-winding transformer. A primary-side high-voltage winding of the five-winding transformer is connected with an alternating-current power network, a secondary-side low-voltage winding is connected with a current transformer, the current transformer is connected with a load, and two inductive filter windings of the five-winding transformer are connected with one filter capacitor bank. An active filter winding is connected with an active filter, a first current measurement device is arranged between the inductive filter windings and the filter capacitor bank, a second current measurement device is arranged between the secondary-side low-voltage winding and the transformer, the first current measurement device and the second current measurement device are respectively connected with an instruction current arithmetic unit, the instruction current arithmetic unit is connected with a PWM controller, and the PWM controller is connected with the active filter. The inductive filter and the active filter are combined, the magnetic integrated type hybrid power filter and reactive compensation system has the advantages of being high in integration degree, small in size, full in tuning and free of harmonic enlargement and achieves harmonic and reactive nearest dynamic continuous governance.

A rotor with poles in the form of claws, of a rotary electrical machine. This rotor comprises a plurality of interpolar magnetic assemblies. On a radial cross-sectional plane, a first total magnet surface of a section of the magnetic assembly is smaller than a second surface defined by the product of the radial height of a face (h) of the magnetic assembly (40) which faces towards the polar claw (44a), and the circumferential distance between the polar claws (44a, 44b) in the interpolar gap. The magnet has at least one recess which extends in an axial direction.

A variable structure driving topology comprises an H bridge set (40), a power switch set (50) and a power set (60). Assuming that the phase number of an open winding motor is 3*N+3, wherein N is larger than or equal to 1, the power set (60) comprises N+1 direct-current power sources (61), and each direct-current power source (61) is provided with a positive output terminal and a negative output terminal; the power switch set (50) comprises 4N+4 power switches (51); the H bridge set (40) comprises 4*(3*N+3) power tubes (41) which form 3*N+3 H bridges (42); a left bridge arm and a right bridge arm of each H bridge are distinguished with the open winding motor as the boundary, each bridge arm is formed by series connection of drain electrodes and source electrodes of two power tubes, and binding posts (43) are arranged between the drain electrodes and the source electrodes and connected with terminals of windings of the open winding motor; the three H bridges connected with the three-phase winding terminal of the open winding motor form a set, and the power of the three H bridges is supplied by the same direct-current power source.

The invention discloses a single-mode heterogeneous optical fiber cascaded strain array sensor, and the strain array sensor is mainly characterized in that the strain array sensor is a strain array sensor which is formed by integrating a heterostructure reflecting surface formed by a single-mode optical fiber 1 and a double-cladding optical fiber 2 on an optical fiber. The strain array sensor provided by the invention can be used for measuring factors such as ambient temperature and stress of the optical fiber strain array sensor, and is particularly applicable under a high-temperature condition due to the inherent characteristics of the strain array sensor provided by the invention. In addition, the sensor is high in sensitivity, is compact in structure, is high in temperature resistance,is low in cost, is large in sensor reuse number and the like.

The invention discloses a hydrogen storage material reaction chamber and a fuel cell power generation device. The fuel cell power generation device comprises a water tank, a water pump and a fuel cellgroup. The fuel cell power generation device has the following characteristics: the outlet of the water tank is connected with the inlet of the water pump through a pipeline; the outlet of the waterpump is connected with a first connecting interface of the reaction chamber through a pipeline; and the second connecting interface of the reaction chamber is connected with the fuel cell group through a pipeline. According to the invention, the hydrogen is produced by the hydrolysis of vapor and magnesium hydride, and the reaction heat is produced to provide the pyrolysis high temperature environment for the pyrolysis of the hydrogen storage material, so that the hydrogen storage material can be pyrolyzed in the high temperature environment to release the hydrogen, and the generated hydrogenis supplied to the fuel cell for power generation. According to the invention, no extra heating equipment is needed, and the disadvantages of extra weight, extra volume and energy consumption are eliminated; meanwhile, the chamber wall temperature of the reaction chamber can be further reduced by means of the heat absorption by hydrogen release characteristic of the pyrolysis of the hydrogen storage material, therefore, the thickness of the high temperature protective cover can be reduced, and the volume and weight of the product can be reduced.

The invention provides a stamping detonation combustion engine with a free piston. The stamping detonation combustion engine is characterized in that the volumes of most combustors in a cylinder head of a gasoline engine are eliminated, the eliminated volumes are replaced with a small cylinder combustor, a spark plug is arranged at the top end of the small cylinder combustor, the small cylinder combustor is divided into a front combustor and a rear combustor by the free piston, the free piston is provided with a central small ventilation hole and a stamping combustor, and the lower part of the small cylinder combustor communicates with an engine cylinder. According to the arrangement, the combustor of the engine is incompletely divided into the front combustor and the rear combustor by the free piston; during the working stroke of the engine, the spark plug is ignited, a gas in the front combustor is ignited, and the free piston is pushed to perform stamping combustion; owing to quick and effective self-pressurized accelerated circulating combustion, the initial free diffusion combustion is quickly converted into detonation combustion, the combustion process is finished and the engine is acted; and the stamping detonation combustion engine realizes quick and safe detonation combustion and is an efficient and clean engine.

In a method for operating a conveying and proportioning system, the system for conveying a liquid medium from a tank (3) and proportioning the medium via a pressure line (4) by means of at least one proportioning unit (7) is provided. The system comprises at least one feed pump (10) and at least one device for returning the medium, in particular a return pump (20) and / or a distribution valve for a return line. Furthermore, at least one heating device for heating the system is provided. The method is distinguished by the fact that after and / or during a heating of the system by at least one heating device, especially after thawing the medium in the conveying and proportioning system, a purge within the conveying and proportioning system is performed, by the means of conveying the medium from the tank (3) through activation of the feed pump (10) when the proportioning unit (7) is closed and activating the device (20) for returning the medium.

The invention discloses a fire water monitor head for performing direct current spray conversion by adopting hydraulic drive, which comprises a nozzle shell, a nozzle, a nozzle core, a nozzle core rack, a cylinder body, a pipe joint, a water delivery hose, a three-position four-way pure water electromagnetic directional valve, a seal ring and the like. The fire water monitor head uses the most common pressure water in a fire-extinguishing scene as a power source, and is operated through conductive driving valve cores of electromagnets at the left end and the right end of the three-position four-way pure water electromagnetic directional valve to pressurize a left water pressure cavity and a right water pressure chamber of the nozzle respectively so that the nozzle slides back and forth to realize the automatic smooth conversion between direct current injection and spray injection for the fire water monitor head. By adopting the hydraulic drive directly, the fire water monitor head overcomes the defects of complex mechanism and large volume when a hydraulic control telescopic cylinder or an electric control driving mechanism is adopted to realize the direct current spray conversion at present. The fire water monitor head namely a conversion device has a simple and compact structure, is convenient to operate, and is particularly suitable for the occasions in need of achieving various functions such as fire distinguishing, cooling, diluting, protecting and the like during fire fighting.