274 results about "Expansion chamber" patented technology

A system and method in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through an intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms travelling around an axial center of the disk with each hyperbolic waveform having a varying diameter along the waveform.

An improved AR platform firearm includes modular brass deflectors and brass catches; sleeved takedown and pivot pinholes; a cam latch device for a secure upper / lower receiver connection; a two-piece upper receiver; a taper-fit barrel system; a barrel alignment system using a barrel alignment washer; a charging handle that positively engages with the bolt carrier; a charging handle retention system using a spring detent; a bolt carrier with rear wall to absorb shear force on the gas key or anvil; a leak-proof gas system using a straight gas tube, ferrule and threaded connection with the gas block; a gas block stop notch that mates with a gas block key; a gas block jam nut for holding the gas block in place; an interchangeable gas system; an expansion chamber; a handguard with adjustable weights; a handguard lock-up mechanism; a handguard extender; and a sloped Picatinny rail for extending scope utilization.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

A disk-pack turbine includes two disks each having a waveform surface and a second surface, the waveform surfaces face each other and have an axially centered waveform pattern, at least one disk includes an axially centered opening passing from the second surface to the waveform surface, said disks define an expansion chamber including the at least one opening and a disk chamber between said disks from the expansion chamber to a periphery of said disks. The waveform pattern includes at least one waveform that has an amplitude that varies in a radial direction and said waveform pattern maintains or increases a number of peaks for each level of waveforms progressing out from the inner most waveform about said axial center to said periphery where the increase is by a multiplier of 2 to 8. The second surfaces have a slight parabolic shape or are flat.

An airbox for an air intake system of an engine includes an air inlet for receiving air into the airbox, an air outlet for discharging air from the airbox, and an airbox body defining first and second expansion chambers fluidly connected to one another. The airbox body has a dividing wall separating the first expansion chamber from the second expansion chamber, the dividing wall defining a wall opening fluidly connecting the first and second expansion chambers. An interchangeable flute is removably connected to the airbox body. The interchangeable flute is at least partly disposed in the second expansion chamber and positioned to guide air flowing into the air inlet into the second expansion chamber. The interchangeable flute is removable such that a replacement flute can be installed in its place to selectively modify a noise output of the airbox. Other aspects are also contemplated.

A cooling system, comprising: - a first cooling circuit (10), the first cooling circuit having a first coolant pump (12); - a second cooling circuit (20), the second cooling circuit having a second coolant pump (22); - an expansion tank (30), the expansion tank being provided with an expansion chamber (31) for accumulating coolant, wherein the expansion chamber is connected to the second cooling circuit (20) so as to allow the expansion chamber to receive coolant from the second cooling circuit; and - a degassing device (40), the degassing device being arranged in the first cooling circuit for separating bubbles from the coolant circulating therein. The degassing device (40) is located at a position lower than the expansion tank (30) and is connected to the expansion chamber (31) via a static pipeline (5) so as to allow the bubbles separated from the coolant in the degassing device to migrate upward in the static pipeline towards the expansion chamber.

Apparatus, systems, and methods for diluting aerosolized high-melting-point solution. A dilution apparatus intakes a flow of aerosolized form of the high-melting-point solution and a flow of inert gas into a continuous multi-chamber volume. The continuous multi-chamber volume comprises an introductory chamber and an expansion chamber that is cross-sectionally larger than the introductory chamber. The dilution apparatus mixes the aerosolized form of the high-melting-point solution with the inert gas in the expansion chamber to dilute the aerosolized form of the high-melting-point solution and channels a portion of the diluted aerosol to a dilution passage.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

A modular liquid distribution system in which each module has a module body, a spray nozzle, and a cyclically operable piston for controlling the dispensing of high viscous liquids from the spray nozzle. Each spray nozzle has a nozzle body with a liquid inlet and a tear dropped shaped pintle which together with the nozzle body defines an expansion chamber that reduces velocity of the liquid sufficient to be dispensed in small droplet form without splattering. In one embodiment, the nozzle body has a discharge orifice sized smaller than the outer diameter of the expansion chamber for accelerating liquid flow upon discharge sufficient to enhance consistent and repeatable breaks in the cyclically controlled fluid flow stream for enabling the discharge of smaller and more consistent volumes.

The invention provides an exhaust system capable of achieving both improved performance and a damping effect when an exhaust valve is open. An exhaust system (30) comprises an exhaust muffler (34) with an expansion chamber (A), an exhaust outlet pipe (55) for expelling combustion gas (G) from the exhaust muffler (34), and an exhaust valve mechanism (40) for adjusting the flow rate of the combustion gas (G) with an on / off exhaust valve (42). The exhaust outlet pipe (55) is connected to the expansion chamber (A). The exhaust valve (42) is located in an upstream exhaust pipe (50) for introducing the combustion gas (G) into the expansion chamber (A). The combustion gas (G) is also introduced into the expansion chamber (A) when the exhaust valve (42) is closed.

The invention discloses a self-energy arc extinguishing device, a circuit breaker and an electric power system, the self-energy arc extinguishing device comprises an air compression chamber, an expansion chamber, a first nozzle and a moving arc contact, and a piston pull rod is arranged in the air compression chamber; the expansion chamber is connected with the air compression chamber, and the front end of the piston can extend into the expansion chamber to form a boosting air chamber; the first nozzle is arranged at the end, away from the air compression chamber, of the expansion chamber, and an arc generation area is formed in the first nozzle. The moving arc contact is arranged at the front end of the piston, a first channel is arranged in the moving arc contact, one end of the first channel is communicated with the boosting air chamber, the other end of the first channel faces the arc generation area, a first one-way valve is arranged on the circumferential wall of the boosting air chamber, and the first one-way valve is configured to enable the boosting air chamber to be communicated with the expansion chamber in a one-way mode. The self-energy arc extinguishing device can make full use of expansion pressure caused by arc energy, and the voltage building capacity of the expansion chamber is greatly improved.

A valve unit for an anti-lock braking system has a valve body, a piston, and an elastic element acting on the piston. The valve body has an outlet port, an inlet port, a primary chamber communicating with the outlet port, an expansion chamber with an outflow passage establishing fluid communication between the primary chamber and the expansion chamber, and a bypass passage between the inlet port and the outlet port. The piston is movable in the primary chamber and has a longitudinal through cavity, a first transversal surface facing the outlet port, and a second transversal surface facing away from the outlet port. The first transversal surface has an area smaller than the area of the second transversal surface. The elastic element exerts an elastic force to move the piston away from the outlet port. The valve unit is activatable by pressure of a brake fluid in the primary chamber.

A progressive sealing system for a reciprocating machine includes a pressure breaker having a first seal, and one or more additional seals between the pressure breaker and an end plate. One or more seal housings hold the seals between the first seal and the end plate. The end plate couples the progressive sealing system to a housing of a cylinder of the reciprocating machine such that a surface of the first seal faces a chamber of the cylinder. A housing for the second one of the seals includes a bore having an inner surface. The inner surface of the bore of the second seal housing and an outer surface of a rod of the reciprocating machine define an annular space when the rod is received in the bore. The packing case includes an expansion chamber adjoining the annular space.

The invention relates to the technical field of automobile noise reduction, in particular to an active noise reduction composite silencer which comprises a containing shell, a plurality of partition plates are arranged in the containing shell and divide an inner cavity of the containing shell into a pressure relief cavity, a head noise reduction cavity, an expansion cavity, a tail noise reduction cavity and a cavity, an air inlet pipe is connected to the containing shell, and the front partition plate and the rear partition plate are removed. And a first-stage noise reduction mechanism and a second-stage noise reduction mechanism are arranged in the head noise reduction cavity and the tail noise reduction cavity correspondingly, a high-pressure pneumatic valve is further arranged in the head noise reduction cavity, a first exhaust pipe and a second exhaust pipe are arranged in the containing shell, and perforated passive noise reduction mechanisms are arranged on the first exhaust pipe and the second exhaust pipe. The first-stage noise reduction mechanism plays a leading role in low-frequency noise reduction, and the second-stage noise reduction mechanism plays a leading role in high-frequency noise reduction, so that in the actual driving process, waste gas noise generated in different driving states of an automobile can be dynamically adapted through the first-stage noise reduction mechanism and the second-stage noise reduction mechanism.

An automatic lubricator designed for high-pressure applications comprises a pump unit with a check valve inlet and a check valve outlet, fluidly connected to a grease reservoir. The pump unit includes an expansion chamber positioned between the check valve inlet and the check valve outlet. This expansion chamber houses material that changes volume between phase transitions, facilitating the drawing of grease from the reservoir during contraction and expelling grease during expansion. This design enables the lubricator to achieve significantly higher pressures, up to 5000 psi, with the capability of maintaining pressures around 1000 psi via an integrated relief valve, thereby addressing the need for lubrication systems that can achieve and maintain elevated pressures to ensure effective grease delivery in demanding industrial environments.

A flow control insert configured for installation into a muffler housing includes a tubular insert circumferential wall having an insert inner circumferential surface defining a flow pathway extending axially across at least a portion of an expansion chamber of the muffler housing. An inner diameter of the insert inner circumferential surface is less than an inner diameter of the at least a portion of the expansion chamber and the insert inner circumferential surface delimits radially outward expansion of the fluid when the fluid is passing through the flow pathway along the at least a portion of the expansion chamber. At least a section of the insert circumferential wall disposed along the expansion chamber is porous to provide acoustic wave communication between the flow pathway and a housing inner circumferential surface of the muffler housing along the at least a portion of the expansion chamber.

A system and method in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. In further embodiments, a system and method is offered for harnessing fields created by a system having rotating rotors and / or disks having waveform patterns on at least one side to produce current within a plurality of coils. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

The invention relates to the technical field of generator sets, and discloses a multifunctional portable generator set which comprises a sound insulation shell and further comprises a buffer device arranged at the bottom of an inner cavity of the sound insulation shell, a diesel generator set is fixedly installed at the top of the buffer device, and an exhaust silencing mechanism is fixedly connected to an exhaust port in the right side of the diesel generator set. The right side of the sound insulation shell is fixedly connected with a ventilation and noise elimination mechanism, the noise elimination assembly is arranged, the baffles are arranged in the axial direction of the installation barrel at gradually-changing intervals, and the installation barrel is divided into a plurality of expansion chambers with the lengths gradually decreased in the airflow direction. When diesel engine tail gas enters the expansion chamber from the round pipe or enters the round pipe from the expansion chamber, the sectional area of the flow channel is suddenly expanded or shrunk, acoustic impedance mutation is formed, and exhaust noise is effectively reduced. In addition, due to the fact that the lengths of the expansion chambers are distributed in a gradually-changing mode, the silencing assembly can cover low-frequency noise in a wider frequency range, and the noise reduction effect on the low-frequency noise is improved.

A linear electric machine includes a shaft and at least one piston assembly operably coupled with the shaft. The piston assembly includes a piston, a piston body, and an expansion chamber. The piston body defines a dome structure at the expansion chamber. The piston is a domed piston corresponding to the dome structure. The linear electric machine also includes a heater body positioned at an outer end of the expansion chamber adjacent to the dome structure. The piston body further defines an exterior surface corresponding to a shape of the dome structure. The exterior surface includes a plurality of surface features protruding therefrom and is arranged between the heater body and the dome structure. The plurality of surface features decrease a heat load across the exterior surface of the piston body.

The utility model provides a wheel speed reducer, and belongs to the technical field of speed reducers. The technical problem that an existing wheel speed reducer is large in oil leakage probability is solved. A wheel speed reducer comprises a box body and an upper cover, a mounting cavity for mounting a worm and a worm gear is formed in the box body, the worm gear is fixedly connected with a rotating shaft, the rotating shaft extends out of the upper cover, the upper end of the box body is fixedly connected with an expansion chamber, and the expansion chamber comprises two parallel flat plate parts and an arc part smoothly connected with the two flat plate parts. An expansion cavity similar to the expansion chamber in shape is formed in the expansion chamber, and an elastic expansion piece is arranged between the expansion cavity and the installation cavity. The expansion chamber has an air hole. The expansion chamber is composed of a flat plate part and an arc part to form a long-strip column shape matched with the maximum space of the box body, and the expansion chamber has the equal wall thickness, so that the expansion cavity is similar to the expansion chamber in appearance, and the capacity is larger. The elastic expansion piece expands and contracts along with the change of air pressure, the running internal pressure is adjusted by adjusting the volume in the mounting cavity, the service life of the oil seal is prolonged, and the probability of oil leakage is reduced.

The control valve includes a valve body defining an inlet and an outlet. A valve closure member is also coupled with the valve body, the valve closure member being displaceable relative to the valve body between a first closed position and a second fully open position. The aerodynamic noise reduction element is arranged in the valve body and comprises a plurality of flow channels. The plurality of flow channels include a first flow channel and a second flow channel. The first flow channel extends along a first flow axis from an open first end to an open second end. The first flow channel comprises a first expansion cavity. The second flow channel extends along a second flow axis from an open first end to an open second end. The second flow channel is provided with a second expansion cavity.

This invention relates to the field of magnetic bearing technology, solving the problem of magnetic levitation bearings being easily damaged by impurities and particulate matter. It proposes a magnetic bearing purification and protection system, including a magnetic levitation bearing installed in an expander. The magnetic levitation bearing is connected to a main shaft, which is fixedly connected to an impeller in the expansion chamber of the expander. An air chamber is provided around the expansion chamber, connected to it via an air inlet perpendicular to the impeller shaft. The air outlet direction of the expansion chamber is along the impeller shaft towards the outside of the expander. The impeller is equipped with a throttling orifice device to remove impurities from the magnetic levitation bearing. The inlet of the air chamber is connected to a filter purification device to remove impurities and particulate matter from the gas. This invention ensures the stable operation of the magnetic levitation bearing and the safe operation of the system.

The embodiment of the invention provides a total station for cadastral surveying and mapping, and relates to the technical field of total stations. A total station for cadastral surveying and mapping comprises a main machine, expansion films are oppositely arranged above the main machine, the expansion films are connected through a supporting rod capable of rotating in a storage box, one end of the supporting rod is connected with a rotating seat connected with the inner wall of the storage box, and expansion cavities are formed in the expansion films; second air outlets evenly formed in the peripheral face of the supporting rod are communicated with the expansion cavity, a piston pipe is fixed to the bottom face in the storage box, an air pipe is connected from the other end of the piston pipe to the interior of the supporting rod, and a pressurizing rod moving along with the supporting rod is arranged inwards from an opening in one end of the piston pipe. After the motor is started, the worm drives the worm wheel through the worm, and the supporting rod is driven to turn upwards. And then the air flow enters the supporting rod through the air pipe and then enters the expansion cavity through the second air outlet, so that the expansion film expands and is flatly laid above the main machine, and the sunshade effect is achieved.

The present invention discloses an annular cylindrical workpiece, a polishing platen, a polishing device, and a method for controlling a polishing surface profile. The method comprises: an expansion chamber disposed between a support plate and a polishing plate; one end of the expansion chamber is connected to a pressure control source; the pressure control source varies an output load based on the axial length of an outer wall of the expansion chamber, the bending stiffness of the outer wall, the wall thickness of the outer wall, the elastic modulus of the outer wall, and the Poisson's ratio, thereby varying the deflection of the outer wall; the outer wall of the expansion chamber is configured to transmit a torque to the polishing plate when the deflection increases, thereby deforming the polishing surface profile of the polishing plate. The present invention achieves the technical effect of reducing the difficulty of controlling the polishing surface profile while improving the accuracy of controlling the polishing surface profile.

A vehicle comprises a vehicle frame, a vehicle bumper, and an impact box for supporting the vehicle bumper to the vehicle frame. The impact box may contain an inflation chamber that can be inflated from an uninflated to an inflated state. The vehicle may also include an inflation device in fluid connection with the inflation chamber of the impact box.

The utility model provides a liquid expansion mandrel fixing device for processing a hard chromium plated ball, which belongs to the technical field of hard chromium plated ball processing, and comprises a mandrel main body, and the inner part of the mandrel main body is divided into cavities and is used for realizing uniform expansion; a filling hole is formed in one side of the core shaft main body and is used for filling a hydraulic medium into the core shaft main body; a sealing screw is arranged at an opening of the filling hole; an expansion chamber and a compression chamber are arranged in an inner cavity of the mandrel body, the compression chamber is arranged on one side of a center shaft of the mandrel body, and a linkage structure is arranged in the compression chamber and used for clamping a ball. The utility model provides a liquid expansion mandrel fixing device for processing a hard chromium plated ball, which can solve the problems that the clamping force is concentrated on a local area and a plating layer is easy to crush due to the single-cavity design of the existing liquid expansion mandrel.

A double membrane pump having a casing and a piston rod movably received in the casing, the casing having at least one inlet opening and at least one outlet opening, and a first membrane is arranged at one end of the piston rod and a second membrane is arranged at the other end of the piston rod. The first membrane is arranged in a first chamber of the double membrane pump and the second membrane is arranged in a second chamber. The membranes are designed to separate the chambers into a product chamber and an expansion chamber respectively. The pump has a drive device for bringing about a translational movement of the piston rod. The double membrane pump has a piston rod which is designed to perform a self-regulated, oscillating movement and thus enables simplified control of the membranes.

The invention discloses a denitration, desulfurization and noise elimination integrated purification system for a ship. The system comprises a cylindrical shell, and the interior of the cylindrical shell is divided into two cavities, namely a first expansion cavity and a second expansion cavity, by a perforated plate and a perforated pipe which are fixed to the cylindrical shell; the perforated pipe serves as an inner electrode, the cylindrical shell serves as a grounding electrode, an annular space among the perforated plate, the perforated pipe and the aluminum oxide ceramic serves as a discharge area, and the first expansion cavity and the second expansion cavity serve as an absorbent premixing and primary silencing unit and a plasma reaction and secondary silencing unit respectively. And a chemical absorption unit and a waste liquid collection unit are arranged at the downstream of the plasma reaction and secondary silencing unit in the tail gas flowing direction. According to the system, the two stages of expansion cavities and the tubular electrodes installed on the perforated plate form a composite noise elimination structure, and remarkable noise reduction is achieved. The device has the outstanding advantages of being compact in structure, light in weight, free of catalyst dependence, efficient in working in a wide temperature range and the like, and has a good reduction effect on harmful gas in low-temperature flue gas of a ship engine.