5290 results about "Water channel" patented technology

The present invention relates to an endoscope, more specifically to an endoscope that provides both forward view and rear view of a hollow body organ. It comprises of a rear view module that contains a rear image lens and a rear illumination bulb. The rear view module is designed and is attached to a conventional endoscope in a way that when deployed, the rear image lens and the rear illumination bulb face backward. In this position, the rear image lens provides a rear view and the rear illumination bulb illuminates the area under view of the rear image lens. The present invention enables the operator to obtain forward and rear views of a hollow organ either separately or simultaneously. The ability to obtain forward and rear view at the same time enables the operator to perform a complete examination of a hollow organ that includes both forward and rear view in a single insertion. The present invention enables surgical procedures to be performed in areas that are otherwise inaccessible and out of view of conventional endoscopes. This is made possible by a rear instrument channel located proximal to the rear view module. The present invention also improves distension and visualization of a hollow internal organ by having a rear air/water channel also located proximal to the rear view module. The present invention widens the field of vision of conventional endoscopes by enabling the addition of more than one forward image lens and more than one forward illumination bulb.

An electric power conversion apparatus includes: a channel case in which a cooling water channel is formed; a double side cooling semiconductor module that comprises an upper and lower arms series circuit of an inverter circuit; a capacitor module; a direct current connector; and an alternate current connector. The semiconductor module comprises a first and a second heat dissipation metals whose outer surfaces are heat dissipation surfaces, the upper and lower arms series circuit is disposed tightly between the first heat dissipation metal and the second heat dissipation metal, and the semiconductor module further comprises a direct current positive terminal, a direct current negative terminal, and an alternate current terminal which protrude to outside. The channel case is provided with the cooling water channel which extends from a cooling water inlet to a cooling water outlet, and a first opening which opens into the cooling water channel.

A humidifying apparatus utilizing a semi-permeable membrane portion within a gas conduit where the direction of gas flow within a central lumen is given by an arrow. The humidification apparatus has a helical configuration for the semi-permeable membrane portion, a structural reinforcing member or members, a water channel and a heating element. The helical configuration of an outer wall may be similar to conventional conduits that are in common use in respiratory apparatus. Thus the humidification apparatus may be readily substituted into existing respiratory device by exchanging the gas conduit.

A spraying gun includes a water guide pipe, a control unit, and an injection unit. The injection unit includes a water guide member, a water control plate, a water injection ring, and a shade. Thus, the control unit can control the water to flow into different water channels of the water guide pipe, and the injection unit has corresponding water inlet hole, water outlet hole, water filling hole and nozzle to align with the respective water channel of the water guide pipe, so that different kinds of water flow are injected outward from the nozzles of the injection unit so as to change the sprinkling manner of the spraying gun.

The invention provides a rock high-pressure permeability test system, comprising a sample depression box device which is provided with a heavy frame inside, a hydraulic jack positioned inside the heavy frame, a movable trolley positioned on the top of the hydraulic jack, and a triaxial depression box fixed on the movable trolley, wherein, the triaxial depression box comprises a confining pressure chamber body, a depression box base with an seepage water inlet and a confining pressure water inlet, a lower actuating post system which is positioned on the depression box base and is communicated with the seepage water inlet and a seepage water channel on the sample, an upper actuating post system of the seepage water outlet which is positioned on the top of the depression box and is communicated with the seepage water channel on the sample. The test system is provided with an oil-water converting dynamic control system which is connected with the hydraulic jack, the seepage water inlet and the confining pressure water inlet respectively. The invention can test the permeability of the sample under various conditions, conventional triaxial mechanical characteristics of various loading paths, the seepage at a high permeability pressure, and the stress coupling process and can control the shaft pressure, the confining pressure, the permeability pressure and the axial displacement accurately.

The stereo in-situ ecological urban water system repairing process tackles polluted water via the quantitative analysis on the water. The technological scheme includes physical simulation and mathematic model analysis, microbe inoculation and culture, constituting refluxing ecological filter bed, purification with biocarrier, artificial aeration, purifying upper water, pre-treatment in the blow down port, establishing water ecological system balance, perfecting water environment data, etc. The present invention realizes the comprehensive tackling of urban water system.

A scalable fish rearing raceway system is provided, incorporating a fish containment structure having two semi-circular end sections, and two or more parallel fish raceways, surrounding a central zone for housing water treatment systems and a secondary fish crop. Heavy particulates are eliminated from the main fish rearing channels by use of conical areas located at either end of the parallel elongated raceways. Continuous removal of dead or dying fish from the raceway is accomplished by means of a floating mortality catcher consisting of a screened ramp at the surface of the cones which continuously collect moribund and dead fish. Grading bars separate and move fish underwater to an adjacent raceway through a common fish transfer channel. This larger scalable fish production system substantially reduces the direct labor and capital costs associated with the production of fish as compared with conventional circular fish rearing tanks. Continuous removal of dead fish from the raceway is accomplished by means of a sinking fish mortality catcher consisting of a screened ramp at the entrance to the hydrocones which collect both moribund (sunken) and “long” dead (floating) fish. A similar device is mounted at the main drain box on the outside of the raceway to capture dead and floating fish. The continuous removal of dead and dying fish significantly reduces labor costs associated with the frequent manual removal of such fish and reduces the transmittal of infectious diseases by the immediate removal of the dead and dying fish.

A balloon endoscope device having a shaft with a distal end that allows for blunt dissection is provided. The shaft utilizes a plurality of separately inflatable balloons that alone or together with exterior functional channels (e.g., instrument channels, air channels, water channels, suction channels) circumferentially surround the distal end of the shaft to better position and maneuver the distal end as it advances through tissue planes and once it reaches a target working space or operative site.

A cooling/heating pad of the present invention includes a pad portion, a water reservoir system and a heat exchanger, wherein the pad portion has the pad portion is a foldable, thin, double-layered bag and has a plurality of adhered regions formed by a hot-press or ultrasonic hot melting process to form the water channel between the adhered regions; the water reservoir system has a water reservoir and a water circulating pump, the water reservoir having a water inlet and a water outlet, the water inlet of the water reservoir connected to the water outlet of the water channel, and the water circulating pump moving the cooling water in the water reservoir from the water outlet of the water reservoir to the water inlet of the water channel; and the heat exchanger includes an electrical heating semiconductor chip, and a thermal conductor mounted on one side of the electrical heating semiconductor chip; wherein the thermal conductor directly contacts the cooling water in the water reservoir, or is mounted on a water path between the water outlet of the water reservoir to the water inlet of the water channel, so that the cooling water is capable of exchanging heat with the thermal conductor.

A medical filtering machine for the hemodialysis is composed of main body with console panel, blood loop consisting artery loop and vein loop, liquid-supplementing loop, water channel system and operation-control system. Said water channel system consists of reverse osmosis jointer, heat exchanger, heater, gear pump, deaerating unit, two concentrated liquid pumps, mixer, ion concentration monitor, volume balance and ultrafiltration unit, and endotoxin filter.

The invention discloses a direct shear testing device of saturated rock soil samples, which relates to the technology of mechanical strength test of rock soil. The structure of the direct shear testing device comprises a sample shear box, a loading system, a saturation system, a vacuum pump and a data acquisition system which are fixed on a frame to form a whole body, wherein the shear box is arranged in a water channel of the saturation system and guarantees the sample to be saturated completely, the loading system comprises a vertical loading system and a transverse loading system, the vertical loading system and the transverse loading system are respectively connected with the shear box and realize vertical loading and transverse loading of the shear box, the vacuum pump is connected with the saturation system and used for vacuumizing the closed water channel, and the data acquisition system is connected with the shear box and the loading system respectively and used for monitoring and recording the force and the displacement of the shear box. The direct shear testing device realizes direct shear tests of small-size and medium-size gravel soil, crack soil and soft rocks, and particularly can realize site tests of samples on the construction site and reciprocating direct shear tests of saturated rock soil.

A family of man-made marine habitat systems and methods are disclosed for placement in various waterways to restore the natural marine environments that have been previously destroyed by commercial development as well as mitigate the damage caused by future development of coastal waters. The inventive marine habitat systems include individual habitat units having different configurations, more specifically, different sizes and arrangements of vertical and horizontal members, which are strategically placed in a restorative area in a body of water to serve as shelter for a variety of aquatic animals, including but not limited to, fish and a variety of bio-fouling organisms, including but not limited to oysters, mussels, and sea squirts. Novel anti-chafe devices and anchoring systems for use with the inventive marine habitat systems are also disclosed.

Fuel cells (38) have water passageways (67; 78, 85; 78a, 85a) that provide water through reactant gas flow field plates (74, 81) to cool the fuel cell. The water passageways may be vented to atmosphere (99), by a porous plug (69), or pumped (89, 146) with or without removing any water from the passageways. A condenser (59, 124) receives reactant air exhaust, may have a contiguous reservoir (64, 128), may be vertical, (a vehicle radiator, FIG. 2), may be horizontal, contiguous with the top of the fuel cell stack (37, FIG. 5), or below (124) the fuel cell stack (120). The passageways may be grooves (76, 77; 83, 84) or may comprise a plane of porous hydrophilic material (78a, 85a) contiguous with substantially the entire surface of one or both of the reactant gas flow field plates. Air flow in the condenser may be controlled by shutters (155). The condenser may be a heat exchanger (59a) having freeze-proof liquid flowing through a coil (161) thereof, the amount being controlled by a valve (166). A deionizer (175) may be used.

A water transportation system and method are described, generally related to water amusement attractions and rides. Further, the disclosure generally relates to water-powered rides and to a system and method in which participants may be actively involved in a water attraction. This transportation system comprises at least two water stations and at least one water channel connecting the at least two water stations for the purpose of conveying participants between the at least two water stations. In addition, the water transportation system may include conveyor belt systems and water locks configured to convey participants from a first source of water to a second source of water which may or may not be at a different elevation.