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Class 417/208 - Vapor generator type


Subclass of Class 417 - Pumps
Definition: Apparatus in which the fluid to be pumped is a liquid, the
No. of patents: 43
Last issue date: 05/17/2011


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NumberTitleIssue Date
7942644Capillary pumps for vaporization of liquids
A capillary pump is provided for producing pressurized and unpressurized vapor emissions from liquid feed. In its simplest form, the capillary pump incorporates a liquid feed intake, a porous vaporization component, and a heat transfer component. Additional componen...
05/17/2011
7431570Capillary pumps for vaporization of liquids
A capillary pump is provided for producing pressurized and unpressurized vapor emissions from liquid feed. In its simplest form, the capillary pump incorporates a liquid feed intake, a porous vaporization component, and a heat transfer component. Additional componen...
10/07/2008
7316700Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties
A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine...
01/08/2008
7118351Micropump with heating elements for a pulsed operation
The invention discloses a micropump having heating elements in which an essentially pulsed operation of the heating elements occurs by means of a control unit. The pulsed operation of the heating elements enables an exact control of the flow rate. With the aid of th...
10/10/2006
6869273Microelectromechanical device for controlled movement of a fluid
A microelectromechanical (MEM) device for controlled movement of a fluid. The device includes a chamber having a heating element, an inlet, and a constricted egress channel. ...
03/22/2005
6767192Vapor jet pump with ejector stage in foreline
A vapor jet vacuum pump includes a housing having an inlet port and a foreline conduit, a vapor jet assembly within the housing, a vapor source for supplying a vapor to the vapor jet assembly, and at least one ejector stage. The ejector stage includes an ejector noz...
07/27/2004
6634864High fluid flow and pressure in a capillary pump for vaporization of liquid
A capillary pump is provided for producing pressurized vapor emissions, having various layers that assist in creating optimal conditions to accomplish a high maximum fluid flow rate and pressurization. Heat and liquid/vapor flows in opposing directions in...
10/21/2003
6585491Liquid discharge apparatus having a heating element
A liquid discharge head is provided having a heating member for generating thermal energy to create a bubble in liquid, a discharge port adapted to discharge the liquid, and a liquid flow path communicated with the discharge port having a bubble generatin...
07/01/2003
6520197Continuous laminar fluid mixing in micro-electromechanical systems
A micro-electromechanical system and method for continuous laminar fluid mixing. An embodiment of the invention described in the specification includes a mixing channel, a first delivery channel that is connected to the mixing channel, and a second delive...
02/18/2003
6450776Liquid discharging head and liquid discharging method
A liquid discharging head which discharges a liquid through a discharging port utilizing an energy generated by producing air bubble including side walls which are to be brought into contact with a movable member to restrict upstream growth of a bubble, t...
09/17/2002
6397625Absorption refrigeration machine
The invention relates to an absorption refrigeration machine using the Platen-Munters system and comprising a generator (7) for evaporating a refrigerant in a solvent, a solvent separator (2) in which the solvent is separated from the refrigerant; a conde...
06/04/2002
6283718Bubble based micropump
A micro-pump pumps either electrically conductive or non-conductive liquids through channels of the micro-pump and/or micro-devices. A conductive or non-conductive liquid, depending on the specific application of the present invention, is disposed within ...
09/04/2001
6185953Heat transport system
A heat exchanger (1) on the secondary heat source, which exchanges heat with a heat exchanger (12) on the primary heat source in a primary cooling circuit (A), is connected with an indoor heat exchanger (3) through a gas pipe (6) and a liquid pipe (7). A ...
02/13/2001
6065864Apparatus and method for planar laminar mixing
A microelectromechanical system mixes a fluid using predominantly planar laminar flow. The microelectromechanical system includes a mixing chamber and a set of valves to establish the planar laminar flow in the mixing chamber. In one embodiment, bubble-co...
05/23/2000
6065302Heat transport system
A heat exchanger (1) on the secondary heat source, which exchanges heat with a heat exchanger (12) on the primary heat source in a primary cooling circuit (A), is connected with an indoor heat exchanger (3) through a gas pipe (6) and a liquid pipe (7). A ...
05/23/2000
6062681Bubble valve and bubble valve-based pressure regulator
A bubble valve that comprises a liquid delivery channel and a localized heating arrangement. The liquid delivery channel includes an upstream portion and a constriction downstream of the upstream portion. The constriction has a smaller cross-sectional are...
05/16/2000
6042342Fluid displacement system
In a fluid displacement system having a pressure vessel, an expansion vessel, first and second tubes in fluid communication with the two vessels, and an energy source, fluid contained within the system is transferred from one vessel to the other by activa...
03/28/2000
5993166Diffusion pumps having an integrated reservoir for the working fluid
A diffusion pump having a hollow outer body and a heater to heat working fluid that is used in the pump. The hollow outer body includes an outlet for connection to a backing pump and an inlet for communication with the chamber to be evacuated. A sump cont...
11/30/1999
5351488Solar energy generator
A system for coupling a plurality of solar powered bubble pumps in series is described. By controlling the boiling temperature of the circulating fluid contained in the system, the flow of liquid between the units of the series can be balanced and the pre...
10/04/1994
5291754Expeller with a gas-bubble pump
The abstract concerns an expeller with six pump tubes positioned round the circumference of a circle. A weak refrigerant solution is conveyed through the tube by rising vapor bubbles. Heating is by means of sich flame tubes. To improve heat transfer, the ...
03/08/1994
5006689Vacuum insulated storage-type electric water heater having an external bubble pump heating unit
A hot water boiling apparatus includes a hot water storage tank. The storage tank has an inner tank storing water therein, an outer tank surrounding the inner tank, and a vacuum heat insulation layer defined between the inner and outer tanks and surroundi...
04/09/1991
4986348Heat conducting device
A heat conducting device comprising a heat drive pump operated by using growth and contraction of steam bubbles due to heat, whereby the temperature of operating liquid condensed in a cooling portion of a heat pipe is made lower than that of the cooling p...
01/22/1991
4966755Method and apparatus for fumigation of materials
A method and apparatus for treating a material with gas or vapour, especially a fumigant, comprises a sealable enclosure device, a pump which may have an inlet for the agent and a heat reservoir, and a long flexible hose to allow the enclosure to be evacu...
10/30/1990
4959526Storage type electric water heater having a closed circulation loop with a bubble pump
A hot water boiling apparatus includes a hot water tank filled with water. A water supply pipe and a hot water supply pipe are connected to the bottom and top of the tank, respectively. A bubble pump unit is arranged in parallel with the tank. The pump un...
09/25/1990
4862708Osmotic thermal engine
A thermal engine is disclosed which is operable as a heat pump, refrigerator, or air conditioner. Vaporized working fluid from a first evaporator, which extracts heat from elements desired to be cooled, is fed to a first region of an osmotic pump which al...
09/05/1989
4818845Storage type electric water heater having a closed circulation loop provided with a bubble pump
An electric storage type water heater includes a tank having cold water introduced into the lower part thereof and an upper part connected by a hot water supply pipe to a faucet. A bubble pump arranged within an external heat insulator layer enclosing the...
04/04/1989
4801246Device for elevating liquids with a plurality of intermediate containers communicating with one another
In a device for elevating liquids a heat exchanging vessel to be neated by an exterior source of heat is connected with a discharge pipe arranged to elevate doses of liquid, so that for performing a thermodynamic cycle the liquid to be elevated is used as...
01/31/1989
4676225Method and apparatus for enhancing the pumping action of a geyser pumped tube
A geyser pump and a geyser pumped heat transfer system having a multitude of heat absorbing tubes from which heated liquid is pumped into a vapor/liquid separator by geyser action enhanced by positive vapor bubble generation apparatus and flow control met...
06/30/1987
4611654Passive system for heat transfer
A passive heat transfer system is provided wherein the vapor generated by the boiling of a working fluid is harnessed to transport the working fluid from a heat source to a heat sink below the heat source. A passive circulation unit is installed in a heat...
09/16/1986
4585055Liquid film evaporation type heat exchanger
A liquid film evaporation type heat exchanger including a plurality of heat transfer units, with each unit including a plurality of flat heat transfer ducts of square cross section formed with a plurality of warm water passageways extending perpendicular ...
04/29/1986
4556368Vapor pressure pump
A vapor pressure pump for delivering a liquid into a system operating at a higher pressure or located at a higher level by action of a vapor pressure produced from a portion of the liquid to be delivered. The pump comprises a closed reservoir for liquid, ...
12/03/1985
4552208Heat actuated system for circulating heat transfer fluids
An apparatus and method for circulating a heat transfer liquid from a heat collector, which is generally but not essentially a solar collector, to a heat exchanger or heat storage means which is located at a level below that of the heat collector without ...
11/12/1985
4515209Heat transfer apparatus
A heat transfer apparatus comprises an evaporating chamber having arranged in the interior thereof essentially coaxially therewith a vaporizer fabricated from capillary material permeable to a heat transfer fluid and adapted to maintain a thermal contact ...
05/07/1985
4470759Capillary check valve pump and method
A method for thermally pumping volatile liquids and a pump for use therewith. The pump has an inlet liquid cooled pump chamber having therein a porous inlet membrane and a porous exit membrane defining between them a pump volume. The membranes are permeab...
09/11/1984
4467861Heat-transporting device
A heat-transporting device includes an evaporating chamber containing a coaxially-arranged evaporator in a capillary material soaked with a heat-transfer agent, said evaporator being in thermal contact with a source of heat and having an axial bore with a...
08/28/1984
4361750Drip coffeemaker having a condenser eliminating delivery of steam to the water spreader
An electric thermostatically controlled drip coffeemaker has a generally upright C-shaped housing with a lower horizontal leg having a heated carafe support, an upper horizontal leg having a water spreader, and a vertical leg enclosing an accessible water...
11/30/1982
4356382Drip coffeemaker having a condenser eliminating delivery of steam to the water spreader
An electric drip coffeemaker has a generally upright C-shaped housing with a lower horizontal leg having a heated carafe support, an upper horizontal leg having a water spreader, and a vertical leg enclosing an accessible water reservoir. An electrically ...
10/26/1982
4331200Passive flow mixing for osmotically pumped heat pipes
A high concentration gradient across a solvent permeable membrane (20), separating the solution and solvent reservoirs (12, 16) or an osmotic pumped heat pipe (10), is effected by inducing convection currents across the membrane material on its solution r...
05/25/1982
4322952Refrigerating apparatus
A refrigerating apparatus with at least two evaporators which are controlled at different temperatures by a refrigerant, a vapor bubble pump for pumping the refrigerant, a vapor bubble pump for pumping the refrigerant and a delayer located in the conduit ...
04/06/1982
4304528Passive solar powered plant watering system
A plant watering system that is controlled and operated in cycles by the heating effects of the sun, the system including a sealed water supply tank; a metering reservoir having a water supply conduit connected to the supply tank for delivering water from...
12/08/1981
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