139results about How to "Low maintenance" patented technology

An optimized flywheel energy storage system utilizing magnetic bearings, a high speed permanent magnet motor/generator, and a flywheel member. The flywheel system is constructed using a high strength steel wheel for kinetic energy storage, high efficiency magnetic bearings configured with dual thrust acting permanent magnet combination bearings, and a high efficiency permanent magnet motor generator. The steel wheel provides a cost effective, high speed construction for the energy storage rotor.

A self-steering axle suspension system utilizing a rotary damper coaxially aligned with and acting directly about the king pin centerline on one side of the vehicle is disclosed. When used as such, the rotary damper constitutes a rotary stabilizer. The rotary stabilizer is used to control the steerability of the self-steering axle suspension system and has a self-centering axle mechanism incorporated therein.

A method for providing network roaming service to users and its system set roaming retransmit equipment at each operator network, the roaming retransmit equipment comprises the high layer AAA server of same operator in HCS, the central AAA server star-like network, the boarder AAA gateways of different operator, the boarder AAA gateway among multi operators and the AAA gateway of roaming union. It can configure the connection relationship at several limited equipments.

The present invention includes a non-rebreathing circuit coupled with computer-controlled gas adjustments. Ambient air is diluted with nitrogen on a breath-by-breath basis to provide precise control over the inspired concentration of oxygen/nitrogen mixture, thereby simulating selected altitudes on an almost instantaneous basis. Carbon dioxide and water vapor exhaled by the subject are released into the environment and absorption is not necessary. In addition, the mixed gas can be administered through a standard aviator's oxygen mask, increasing the realism of the simulation and removing obvious external cues on the nature of the experiment. Maintenance on the mixing loop is low when compared to re-breathing units, since no consumable items are necessary to absorb water vapor or carbon dioxide. A mixing device provides a homogenized mixture of nitrogen/oxygen fluid to the subject.

A retainer strip assembly for securing screening and screen covering and the like to a framing member comprises a base strip, cover strip and cap strip fastened to the framing member, the cap strip covering the base strip and holding in place the screening and screen covering, and the cover strip contained within the base strip for avoiding the tearing or fraying of screen covers when the cap strip is placed on or removed from the base strip while installing or removing screen covers.

The invention discloses the achievement of a single chip microcomputer firmware upgrading method based on a network, wherein the specific achievement process comprises the following steps of firstly designing memory address space of a BootLoader program and a user program in an internal memory of a single chip microcomputer; programming the BootLoader program by utilization of a JTAG (Joint Test Action Group) interface or an emulator, wherein the BootLoader program has module functions of reading, writing and erasing memory data, jumping program addresses and downloading network data; writing the BootLoader program in an on-chip Flash; erasing and writing an on-chip user program in the single chip microcomputer through the BootLoader program so as to realize remote upgrading and operation of the user program in the on-chip Flash. Compared with the prior art, the achievement of the single chip microcomputer firmware upgrading method based on the network has the advantages that the remote upgrading of the system firmware of the single chip microcomputer is realized, the convenience of the product firmware upgrading is improved, the system maintenance cost can be reduced at the same time, better economic benefits can be produced, and the effects of higher actual engineering application values, strong practicability, wide application range and easiness in popularization are achieved.

An object has a durable superhydrophic, self-cleaning, and icephobic coating includes a substrate and a layer disposed on the substrate, the layer resulting from coating with a formulation having an effective amount of hierarchical structuring micro/nanoparticles, liquid silane having one or more groups configured to graft to a hierarchical structuring micro/nanoparticle and at least another group that results in hydrophobicity. The hierarchical structuring micro/nanoparticles are dispersed in the liquid silane. Another effective amount of synthetic adhesive, selected from thermosetting binders, moisture curing adhesives or polymers that form a strong interaction with a surface, is in solution with a solvent. Upon curing, the layer has a contact angle greater than 90° and a sliding angle of less than 10° and, less than 5% of an area of the layer is removed in a Tape test.

The invention relates generally to a drive mechanism for superchargers on internal combustion engines. More particularly, the present invention concerns a gear drive which totally eliminates the need for a belt or chain to drive the supercharger. An important object of the present invention is to provide a robust and reliable gear drive which is simple and adaptable. This allows presently available standardized mass produced superchargers to be mounted to and driven by the crankshaft of a variety of engine families thereby totally eliminating the need for a belt in the drive system. A second object of the present invention is to minimize costs by replacing the presently used belts and pulleys with additional gears internal to and integral with the supercharger housing thereby allowing the supercharger input shaft to be driven directly from the engine crankshaft.

The present invention relates to a method of manufacturing a component 1 by additive manufacturing. The method comprises providing a work surface 2 on which the component 1 is to be manufactured, and providing at least one deposition material 3 from which the component 1 is to be composed. The deposition material, typically in the form of wire, is advanced to a localized deposition area 4 where it is added to the component 1 being manufactured. The method further comprises focusing at least one light beam 5 of incoherent light emitted from at least one heating source 6 in the deposition area 4 so that the deposition material 3 is deposited for building up the component 1. At least one light focusing mirror 7 and/or lens 11 is used to focus the incoherent light in the deposition area 4. The invention further relates to the use of such a method in space, such as on a space station, on a space craft or on parabolic flights for testing.

The invention relates to a noctilucent paint which comprises the following compositions in parts by weight: 10-13 parts of acrylic ester, 4-7 parts of epoxy resin, 3-6 parts of polyvinyl chloride resin, 12-15 parts of water, 5-8 parts of luminescent powder, 3-6 parts of alkyd resin, 12-15 parts of acrylonitrile, 4-6 parts of phthalic anhydride, 11-16 parts of tung oil, 1-4 parts of zinc phosphate, 2-4 parts of basic lead silicochromate, 5-8 parts of thinner and 2-7 parts of drier. According to the noctilucent paint, luminescent powder is added in the raw materials of the paint, so that objects coated with the paint seem beautiful; after being coated with the noctilucent paint, a billboard does not need to be illuminated by lights at night, so as to save electricity; if roads and barrier indicators are coated with the the noctilucent paint, the problems that roads, barrier markers and the like can be lightened up by electricity-consumed light sources at night for long time can be solved, and the noctilucent paint can be applied to various situations such as highways, and the maintenance cost can be lowered greatly.

A swaging tool for use in swaging axially swaged fittings for joining together pipes. The present invention provides a radially balanced axial force, for uniformly pushing a ring of an axially swaged fitting over a sleeve, to swage the fitting to the pipe. The swaging tool of the present invention includes a tubular housing, having an inner surface, which defines a bore. The bore is configured to receive a pipe section having an axially swaged fitting placed thereon in preparation for swaging. Preferably, the housing may be split lengthwise into two opposed sections, such that when the two sections are brought together, the sections completely surround a portion of the pipe section and the fitting. Each housing section is provided a plurality of pusher assemblies, each pusher assembly may preferably be connected to a source of hydraulic pressure, which when activated moves the pusher assembly axially to provide the axial force necessary for swaging the fitting. Each pusher assembly is made to uniformly contact the ring with a substantially equal amount of force, such that the ring is moved axially over the sleeve, which causes a radial force to be applied to the sleeve to swage the sleeve to the pipe section.

The invention relates to field of intelligent control, and specifically relates to a building intelligent lighting system comprising intelligent lamps, a wireless remote controller, a wireless gateway, a monitor, a server, and terminal devices. The wireless gateway is used to build a wireless lighting network and store electricity information of the intelligent lamps in the server. The server makes analysis of signals output by light sensors and on-off states of lamps in the intelligent lamps and other electricity information of the intelligent lamps to obtain an optimized electricity utilization scheme, and transmits a control command to the intelligent lamps through the monitor and the wireless gateway. Users can control the state of the intelligent lamps both through the wireless remote controller and the terminal devices, and can query the working state of the intelligent lamps by accessing a WEB page of the server through the terminal devices. Through intelligent control, the brightness, color, on-off and other information of the intelligent lamps can be adjusted, a green and energy-saving effect is achieved, and the ornamental value is improved. Moreover, the wireless network adopts a mixed structure, and is highly reliable.

The present invention relates to a simulated wood surface covering which is particularly useful in decking and flooring applications, said simulated wood surface covering being comprised of strips adapted to be interconnected aside of each other thereby forming an assembled simulated wood surface covering of desired dimensions to cover a substrate, wherein the strips are comprised of a simulated wood composition which is comprised of polyvinyl chloride, a non-migrating plasticizer, and a coloring agent, wherein the strips have sufficient flexibility to conform to curved surfaces and to surface irregularities, wherein the upper surface of the strips are roughened to imitate the grain structure of wooden material, wherein the strips are void of longitudinal slots wherein a pressure sensitive adhesive covers the underside of the strips, and wherein the pressure sensitive adhesive is covered by a backing so that the pressure sensitive adhesive is sandwiched between the strips and the backing.

An apparatus for function testing rack and pinion systems having a linear servo motor. A single actuator provides force to both ends of the rack and a linear motor to provide resistive force to the rack. The linear motor is used to apply the required forces. In a preferred embodiment, the actuator is a generally “U” shaped structure mounted onto a linear motor stage. A force transducer is placed at each end of the generally “U” shaped structure between the structure and the rack to monitor the force being applied to the rack.

The invention relates to a COD (chemical oxygen demand) online monitoring instrument. The COD online monitoring instrument comprises a control pipeline of a PLC (programmable logic controller) control system, a sample and reagent storage device and a reaction device which are controlled to be communicated, and a photoelectric metering tube, wherein a piston pump for sample injection is arranged on the outer side of the pipeline, the sample and reagent storage device comprises a water sample bottle, a zero-point standard solution bottle, a COD standard solution bottle, a masking agent solution bottle, an oxidant solution bottle and a catalyst solution bottle which are selected by a multi-way valve to open and close, and the multi-way valve can selectively open and close a water sample or reagent pipeline for controlling sample injection. The reaction device comprises heating wires, a digestion colorimetric tube, a fan, a colorimetric light source and an upper electromagnetic valve, wherein the photoelectric metering tube is linked with the control pipeline, an upper light source and a photoelectric detector thereof as well as a lower light source and a photoelectric detector thereof are arranged outside the photoelectric metering tube, and the photoelectric metering tube is connected with the PLC control system through a photoelectric conversion circuit. The COD online monitoring instrument disclosed by the invention adopts a PLC control technology to realize optical-mechanical-electrical integration, can realize complete and through automation, and has the advantages of low failure rate, low maintenance quantity, low reagent consumption and higher performance-price ratio.

The invention provides a viscous damper with a hydraulic fusing function. The viscous damper comprises a cylinder, a piston rod and a piston; the piston is mounted in the cylinder for dividing the cylinder into a first cavity and a second cavity; viscous mediums are filled in the first cavity and the second cavity; and the piston is provided with a first one-way valve for allowing the viscous mediums to flow from the first cavity to the second cavity and a second one-way valve for allowing the viscous medium to flow from the second cavity to the first cavity. The viscous damper has the advantages of high working efficiency and low maintenance cost.

The invention discloses an automatic hydraulic unhooking device. The automatic hydraulic unhooking device comprises an oil cylinder, an automatic hooking device and a hydraulic system for controlling the pressure of a rod cavity of the oil cylinder, wherein the automatic hooking device is fixed at the end part of a piston rod of the oil cylinder; the automatic hydraulic unhooking device is also provided with mechanical locks, and the mechanical locks are mounted on an outer cylinder wall of the oil cylinder in pairs; an unlocking rope is arranged on the mechanical locks; an unhooking rope is mounted between the automatic hooking device and the mechanical locks; one end of the unhooking rope is connected with the automatic hooking device, and the other end of the unhooking rope is connected with the mechanical locks. According to the automatic hydraulic unhooking device disclosed by the invention, a hammer is lifted by the mechanical locks, and the hydraulic bearing of a high-speed oil cylinder is replaced by the rigid bearing of a mechanical-lock structure, so that the problem that when the heavy load of the high-speed oil cylinder is lifted, a piston rod slides off is solved; the working pressure in the high-speed oil cylinder is low, and the sealing, manufacturing and maintenance cost is low; the piston rod of the high-speed oil cylinder is unlocked by the mechanical locks through the traction of the unlocking rope, so that the automatic hydraulic unhooking device is simple and convenient to operate, high in reliability, and suitable for impact machinery to perform unhooking operation.

An automatically controlled washing machine having a detergent dispensing unit that is arranged in an upper machine space of the washing machine. A drawer is arranged in the detergent dispensing unit and accessible from the front panel of the washing machine. The drawer has at least one chamber for hand-metered addition of washing powder or washing liquid. At least one storage unit in the upper machine space stores liquid or gel-like washing aid. A receptacle unit of the storage unit receives a transportable storage container that contains the liquid or gel-like washing aid and a metering unit automatically meters the liquid or gel-like washing aid. The metering unit is connected to the receptacle unit by a fluid connection and has an outlet opening that opens into a stationary chamber of the detergent dispensing unit.

A backboard training device having high density polyethylene panels mounted so that buckling is avoided and unwanted sound is reduced.

A unitized building construction formed of a plurality of pultruded building components adhesively connected. The building components include a ground support foundation, a main perimeter sill beam that is attached to the support columns; structural, foam insulated floor, wall and roof panels; structural corner connectors; a structural one-piece coved “wind spoiler” soffit and fascia tie beam; and, a structural one piece ridge beam. The components are designed to be interconnected with adjacent parts as the building is assembled. These interconnecting parts are bonded together into place using high strength resin adhesives.

The present invention provides pallets for use in gravity pallet flow racks and pallet push back racks which resist becoming misaligned and jammed in such racks. This accordingly provides better reliability (reduces down time) and reduces the manual labor which is required to clear jammed pallets from such rack systems. The use of these pallets in gravity pallet flow racks and pallet push back racks does not compromise any of the inherent advantages of such systems. In other words, systems which utilize the pallets of this invention offer highly efficient use of warehouse space and require low maintenance. They are also compatible for use in conjunction with a means for automatically placing, positioning, and/or stacking the pallets in an organized manner in the system and retrieving the pallets which are stored in the system.

The invention relates to a continuous reactor for olefin hydroformylation, which consists of a gas-liquid distribution section A at the upper part, a mass transfer reaction section B at the middle part, and a gas-liquid distribution section C at the lower part. The gas-liquid distribution section A at the upper part is provided with an inlet pipe of mixed gases consisting of hydrogen and carbon monoxide and an inlet pipe of catalyst solution; the mass transfer reaction section B at the middle part is a key part of the reactor, is cylindrical, and is filled with hydrophilic fibrous membrane consisting of metal fiber the diameter of which is 0.01 to 0.2 millimeter; a cylinder of the mass transfer reaction section B extends into the gas-liquid distribution section C, while the fibrous membrane consisting of the metal fiber extends to the bottom of the gas-liquid distribution section C; and the side wall of the gas-liquid distribution section C is provided with a reaction residual gas outlet 3 and an outlet 4 of reaction product liquid aldehyde, and the bottom of the gas-liquid distribution section C is provided with a catalyst solution outlet 7 which is connected with a circulating pump through a pipeline to make catalyst solution flow circularly. The reactor has the advantages of high reaction efficiency, no back mixing, low production cost and durability.

The invention relates to a compact type in-line liquid separator. The compact type in-line liquid separator comprises a gas inlet tube, a vortex generator, a separating cavity, a gas discharge tube, a liquid discharge tube and a liquid-level control valve, wherein the gas inlet tube, the vortex generator, the separating cavity and the gas discharge tube are connected by a flange in sequence; a guide vane of the vortex generator is in tight fit with a vortex generator housing; the guide vane can whirl after a gas-liquid mixture flows through the guide vane in the housing; the liquid discharge tube is connected with the tail end of the separating cavity, and the liquid-level control valve is mounted at the tail end of the liquid discharge tube. The liquid separator is mainly used for separating a liquid in the gas-liquid mixture( with a gaseous phase as a main body), so that the compact type in-line liquid separator, which is simple in structure, convenient for mounting, relatively low in pressure drop and high in separating efficiency, can be provided for the fields of offshore platforms, deepwater or ultra-deepwater oil and gas development (petroleum, natural gas, chemical engineering, biology and environmental protection), and the like. The device can be mounted and operated under a condition of complex environment and a limited space, can be used for effectively removing the liquid in the gas, and is high in reliability.

The invention discloses an integrated rotation seal system. The integrated rotation seal system comprises a rotation cover, a rotation barrel, a rotation support, a moving frame, a feeding hopper, a discharging barrel and the like. The rotation cover is arranged on the moving frame through a combined rotation support device. The combined rotation support device comprises a rotation barrel, and a rotation track is arranged on the outer cylinder face of the rotation barrel. A front ring and a rear ring which are connected are included. A track groove used for being matched with the rotation track is formed in the inner circle face position of the front end face of the rear ring. An abrasion ring is arranged in the rear ring, and the rear ring and the front ring can move forwards along with abrasion of the abrasion ring. The top of the rear ring is provided with a lubrication cavity for containing a lubricating agent. The part, making contact with the rotation track in a matched manner, of the track groove communicates with the lubrication cavity. By means of the integrated rotation seal system, the manufacturing cost and the maintaining workload and cost of the rotation support are reduced, and meanwhile sediments can be prevented from entering the rotation support.

A containment structure for an actuation unit for immersion pumps, particularly for compact immersion pumps for wells, comprising

• • a box-like casing, which is fitted over an electric actuation motor for pumps, which it encloses hermetically,
  • a cartridge, which accommodates a driving device of the motor and has a radial space occupation that is substantially smaller than, or equal to, the radial space occupation of the casing,
  • quick-coupling connectors provided at a head of the cartridge and at a bottom of the casing, adapted for the quick and reversible connection of the cartridge to the casing.

The connectors comprise

• • at least one power supply connector, adapted to electrically connect the driving device to an electric power supply, with which the casing is equipped,
  • at least one control connector, which is adapted for the functional connection of the driving device to the motor for driving it.

The invention discloses a dielectric loss on-line monitoring device for a 35kV high voltage parallel connection power capacitor group. The device includes first to ninth current sensors, a current transformation circuit, a voltage transformation circuit, an analog-to-digital conversion module, a microprocessor, a display, a keyboard and a power module, and has the beneficial effects that by use of the device, the running state of the power capacitor group can be known without a power cut, and adverse effects of an equipment power cut on clients and power supply reliability are reduced. The dielectric loss on-line monitoring device in the invention well conforms to operation and overhaul conditions of a power capacitor group, thereby improving monitoring effectiveness; the device can reflect the running state of the power capacitor group in real time, plays a very good role in discovering hidden dangers in time, preventing power supply accidents, and ensuring safe power supply, and overcomes blindness brought by a traditional preventive test; and one-time FFT computation can obtain harmonic wave values of all orders of two channels, computed values are reduced, and engineering requirement for speediness, accuracy and real-time analysis in power quality monitoring are well met.

An endless belt tensioner system adapted to apply a tensioning force on a ground-contacting endless belt of a vehicle is provided, the tensioning force being substantially proportional to an endless belt drive force applied to the endless belt to move the vehicle. A vehicle and a method about the same are also provided.

The invention relates to a method for separating and purifying the microcystin, belonging to the analytical chemistry technology field. The method comprises following steps: extracting the blue algae producing the microcystin with the solvent in 1:20-80, purifying the extract through a SPE column, separating and purifying the microcystin by a column chromatography system composed of a constant flow pump, a C18 chromatography column and an automatic collector. The mobile phase is composed of 35-50% of water, 50-65% of methanol and 0.05-0.1% of acid. The purified microcystin RR(MC-RR) or microcystin-LR(MC-LR) is analyzed by a HPLC. The method has simple art, low costs for operation and maintenance and easy popularization. The purity of the purified microcystin is more than 95%.

The invention provides a roof gutter system capable of generating a slope, comprising a gutter, a gutter conversion frame, a gutter bracket, a gutter suspended ceiling plate and the like, wherein the gutter conversion frame and the gutter bracket are respectively connected with a roof purline, the gutter is connected with the gutter bracket, and a heat insulation layer is arranged between the gutter conversion frame and the gutter, thus the defect that the gutter system usually produce cold bridge in the prior art is overcome; besides, the gutter bracket is arranged at a certain slope along the length direction of the gutter, and the gutter correspondingly has a certain slope when placed on the gutter bracket, therefore the problems that the surface of the gutter always accumulates water and is difficult to maintain are thoroughly solved. In the invention, the gutter conversion frame and the gutter bracket substitute two heavy C-shaped steel gutter trimming beams in the prior art, thereby reducing steel, lowering weight of a roof, and decreasing the construction cost. The roof gutter system has a promotional value in the light colour steel plate building industry.

The invention discloses a wind-driven multifunctional vortex tube refrigeration and air conditioning system comprises a vortex tube, an air compressor communicated with an inlet of the vortex tube, a wind power generation device supplying electric energy to the air compressor, a freezing chamber with a freezing heat exchanger, a refrigerating chamber with a refrigerating heat exchanger, a hot water tank with a hot water heat exchanger, a room heating heat exchanger and a room cooling heat exchanger, wherein the room heating heat exchanger and the room cooling heat exchanger are arranged in a building house; cold fluid flowing out of a cold end outlet of the vortex tube is divided into two paths, one path passes through the freezing heat exchanger and the refrigerating heat exchanger in sequence and provides cold quantity for the freezing chamber and the refrigerating chamber, and the other path provides cold quantity for the building house through the room cooling heat exchanger; a hot end outlet of the vortex tube passes through the hot water heat exchanger and the room heating heat exchanger sequentially and provides heat quantity for the hot water tank and the building house. Wind power is utilized to generate electricity, and comfortable air quality is available to seaside residential houses; food can be frozen, refrigerated and preserved; the demand for hot water for life of residents living in the windy seaside can be met.