Patents in subclass Pumps/By Heating Of Pumped Fluid

Parent class: Pumps

Number Patent title Issue Date
07165408 Method of operating a cryogenic liquid gas storage tank

The present invention teaches methods of operating a pressurized cryogenic liquid gas storage tank that has a vent cooling shield around which fuel vented from a storage tank flows to cool the storage tank by reducing the influence of...
01/23/2007
07056098 Pump for supplying a gas to a sensor and methods therefor

A pump for a gas sampling or analyzing system includes a pump body having walls impervious to the gas and an electrical coil within the body. The pump is coupled in series with a gas sensor and a gas volume containing the gas to be...
06/06/2006
06869273 Microelectromechanical 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
06767192 Vapor 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...
07/27/2004
06688115 High-pressure delivery system for ultra high purity liquid carbon dioxide

This invention relates to an improvement in a process and apparatus for delivering ultra high purity liquid carbon dioxide to a point of use at pressures above ambient without pumping. In the process a high purity carbon dioxide feed in...
02/10/2004
06634864 High 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...
10/21/2003
06599098 Thermolysis reaction actuating pump

A thermolysis reaction actuating pump system including a first set of walls defining a channel having a cross-sectional area less than one millimeter squared, and wherein a liquid is received in the channel. A second set of walls defining...
07/29/2003
06585491 Liquid 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...
07/01/2003
06533554 Thermal transpiration pump

A pump comprises a first thermal guard having holes therethrough for passing a gas, a second thermal guard having holes therethrough for passing the gas, a porous thermal transpiration material disposed between the first thermal guard and...
03/18/2003
06531417 Thermally driven micro-pump buried in a silicon substrate and method for fabricating the same

The present invention relates to a micro electro mechanical system (MEMS); and, more particularly, to a micro pump used in micro fluid transportation and control and a method for fabricating the same. The micro pump according to the...
03/11/2003
06517510 Automatic patient control device

The present invention relates to regulating the temperature of a desired medium that is applied to the exterior surface of a mammal. These devices have been used in the past but not with the ability to control the temperature of the...
02/11/2003
06450776 Liquid 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...
09/17/2002
06422826 Fluid pump and method

A pump(10) for pumping various primary fluids includes a body(100) having a primary fluid channel(110) defined therein, and a primary fluid supply is coupled to the primary fluid channel to supply a primary fluid to the primary fluid...
07/23/2002
06283718 Bubble 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...
09/04/2001
6079953 Raising siphon method and apparatus

A raising siphon for transferring fluids from a lower level to a higher level. The raising siphon works on the principal of increasing and/or decreasing the molecular size of fluids being transferred. Larger molecules are less dense than...
06/27/2000
6071081 Heat-powered liquid pump

A liquid transport device has a chamber, an inlet and an outlet for supplying liquid to and from the chamber through one-way valves, and a bubble forming system for film boiling the liquid to form a precisely controlled film bubble which...
06/06/2000
6042342 Fluid 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...
03/28/2000
5871336 Thermal transpiration driven vacuum pump

A micro-machined vacuum pump is provided which may be utilized with microsensors. The pump in accordance with the present invention is preferably fabricated within a semiconductor substrate and utilizes thermal transpiration to provide...
02/16/1999
5827050 Jug heat pak

A heating system for facilitating the transfer of gas from a portable cylinder in a safe and efficient manner.
10/27/1998
5815181 Micromachine, liquid jet recording head using such micromachine, and liquid jet recording apparatus having such liquid jet recording headmounted thereon

A micromachine comprises at least one heat generating unit arranged on the surface of a substrate, a housing for retaining liquid having a liquid retaining portion along the heat generating unit, and a rotator rotatively supported in the...
09/29/1998
5810564 Method and apparatus for improvement in the efficiency of evacuation and compession of fluids

An apparatus and method for evacuating gas from a chamber to reduce the pressure therein utilizes a housing having a lower, downwardly facing wall and an upper, upwardly facing wall, a first gas flow director of truncated conical shape...
09/22/1998
5725363 Micromembrane pump

In a micromembrane pump with pump housing top and bottom parts and a membrane structure disposed between the housing top and bottom parts such that pump chambers, valves, flow channels and a cavity system are formed between the membrane...
03/10/1998