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7593789 |
Water flow detection system for a bathing unit
The present invention provides a control system for a bathing unit that comprises a heating module, a temperature sensing entity and a heating module controller. The heating module includes a body...
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7398778 |
Solar and heat pump powered electric forced hot air hydronic furnace
A furnace in combination with a heat pump and solar panels for providing domestic hot water and forced hot or cooled air utilizing heat pump achieved efficiency levels in an on-demand and unlimited...
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7112768 |
Temperature control system for a bathing unit
A temperature control system for a bathing unit that includes a water holding receptacle and a heating module. The temperature control system comprises a plurality of actuators associated to the...
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7031602 |
Method and apparatus for controlling temperature of infused liquids
A system for controlling the temperature of intravenous fluids according to the present invention includes a heating cabinet and a power supply cabinet. The heating cabinet includes a housing, a...
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6836616 |
Molten material application machine
The present invention generally relates to a hot molten adhesive application machine. More specifically the present invention discloses a unique hot melt adhesive application machine having a novel...
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6661968 |
Continuous heating of liquid to constant temperature
The invention relates to a device for the continuous heating of a liquid, such as water, to a constant temperature, particularly for domestic applications and more specifically for preparing...
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6608968 |
CONVECTION BLOOD WARMING SYSTEM WITH DISPOSABLE FLATTENED TUBE ENVELOPE INCORPORATING PAPERBOARD “NEEDLE” FOR INSERTING ENVELOPE BETWEEN HEATING PLATES AND EMPLOYING ACTIVE AND PASSIVE INSULATION OF OUTLET FLOW PATH TO PROVIDE NORMOTHERMIC FLUID AT ZERO TO 600 MILLILITERS PER MINUTE
A thin, flat paperboard inserter or “needle” which is longer than the blood warmer heating plates is attached to the edge of the flattened tube envelope to enter the very narrow gap between the...
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6600875 |
Water flow heater
Water flow heater with a first heater element ( 20 ) for supplying a fixed power, a second, controllable heater element ( 30 ), a temperature sensor ( 40, 50 ) for measuring the temperature of...
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6463999 |
Multiloop temperature control system
A multiloop temperature-control system has a hydraulic bus connected to a plurality of loops for the temperature-control medium and respective hydraulic modules connected to the hydraulic bus, and...
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6418276 |
Method and apparatus for heating water rapidly at low power requirement
A method for heating water rapidly at low power requirement includes the steps of (1) energizing and heating a heating element of a first heating device for a first period; (2) simultaneously...
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6415103 |
Thermostatic heating device for liquids, provided with a recirculation pump
A thermostatic heating device for liquids, provided with a recirculation pump, comprising a heat-insulating dielectric material outer housing, a heat-conductive dielectric material inner casing, a...
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6292628 |
Steady-temperature water heater and enema device
A heater for providing steady-temperature heated water for domestic hot water or hygienic purposes. Water is heated in a drum-shaped tank that is divided into two chambers by a piston that can...
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6253029 |
Vacuum processing apparatus
The inside of a vacuum pump is heated by means of a first heating unit to a temperature higher than the temperature at which products of reaction discharged from a process chamber are separated,...
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6049658 |
Flexible hose for a flowable material applicator
A hot mix applicator having a hose for transporting heated flowable material, preferably hot mix material, that has an outer casing telescoped over a flexible inner conduit. Slidably,...
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5960857 |
System temperature control tank with integral modulator valve and flowmeter
A machine for circulating cooling water through manufacturing process equipment includes a combination pump and heat exchanger assembly. The machine has a cast metal pump case with two upwardly...
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5816474 |
Linear motor pump for wave soldering systems
The linear motor pump for a wave soldering apparatus comprises in accordance with the invention several pumping channels arranged substantially parallel to each other and separate from each other....
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5701388 |
Combined heater and pump
A compact combined heater and pump is disclosed. There is a pump housing forming an internal pump chamber, the housing having both an inlet and an outlet and an opening therethrough. A drive shaft...
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5403564 |
Apparatus for heating and thermal decontaminating a pumpable or pourable material
Apparatus for heating and thermal decontaminating, e.g. sterilizing, pasteurizing and/or disinfecting, pumpable or pourable material, includes a microwave unit forming a treatment chamber for...
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5351605 |
Automatic noodle cooker
An automatic noodle cooker which continuously and automatically supplies hot water while cooking long thin ingredients such as spaghetti. The noodle cooker comprises a hot-water boiler which is...
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5332887 |
Electric thermos bottle capable of automatic water release and water cutoff
An electric thermos bottle capable of automatic water release/cutoff which has an automatic water release/cutoff power switch turned on by the weight of a cup placed thereon. When the power switch...
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5252808 |
Method and apparatus for recovering petroleum residues from storage sites
A method and apparatus to melt and withdraw petroleum residue from a storage site at a convenient location while causing the residue from more distant locations to melt and flow in a stream, to the...
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5193587 |
Pipe thawing apparatus
A pipe thawing apparatus has a heat exchanger for heating water. An electric water pump has an outlet coupled to an inlet of the heat exchanger. A flexible feed tube is coupled to an outlet of the...
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5128517 |
Temperature controlled fluid ciruclating system
A temperature control system for use with a fluid circulating system operable in a heating or cooling state to monitor and control the temperature and flow of fluid circulated through a remote...
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5125069 |
Blood warmer
Apparatus for changing the temperature of an infusible liquid from a first temperature to a second predetermined temperature. The apparatus includes a receiver assembly for changing the temperature...
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4959526 |
Storage 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...
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4947025 |
Portable electric water heater for outdoor use
A portable electric water heater for supplying a continuous flow of hot water for outdoor home use includes an impact resistant waterproof housing having a coiled water conducting cooper tube...
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4944217 |
Automatic coffee brewing apparatus
An automatic coffee brewing apparatus and a method for measuring a quantity of water to be used for brewing coffee with a consistent and pleasing taste. The automatic coffee brewing apparatus has a...
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4888467 |
Machine for making coffee and other hot beverages
A machine for making coffee, soup or other hot beverages has a housing for a pressure-resistant container which can receive a supply of water or another liquid. The bottom wall of the container...
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4888466 |
Machine for making hot tea
A machine for making hot tea wherein a pressure-resistant container for the supply of water supports or embodies an insulating carrier for one or more thick film conductors. A riser, which can be...
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4872224 |
Bathtub apparatus
A bathtub apparatus is set forth wherein a portable module positionable overlying an associated bathtub rim includes a pump member for recirculating water through an inlet filtration pipe and...
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4855569 |
Water heater for preformed spas and baptismal pools
An electric water heater for preformed spas and baptismal pools includes an elongated horizontally disposed tubular heat exchanger having a water inlet in a first end wall and a water outlet...
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4844072 |
Liquid-circulating thermal therapy system
A system for circulating hot or cold liquid through a pad placed in thermal contact with a patient for thermal therapy. The system includes a flexible thermal pad with an internal channel for...
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4837713 |
Apparatus for warming up automatic developing system
An apparatus for warming up an automatic developing system in which the warming time required for heating a treating liquid up to a predetermined temperature is computed on the basis of sensed...
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4827837 |
Calcification indicator
For a coffee brewing machine, an indicating system which operates to notify the user when it is time to clean the water supply conduit of accumulated mineral deposits. When a self contained...
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4818845 |
Storage 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...
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4805804 |
Potted plant feeder
A water container has an inlet water line and an outlet water line, each with a one-way check valve therein. An electric heater element heats the water, controlled by a thermo switch that senses...
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4763365 |
Spa system having high temperature safety device
A ground fault simulation is produced responsive to a pool or spa water overtemperature condition, tripping the ground fault interrupter and shutting down the pump used to recirculate the water.
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4762060 |
Apparatus for controlled heating and dispensing of a mixed liquid and solid material
An apparatus (10) for heating a liquid and solid material 101 by means of water (100) in a jacket (14) around a reservoir 12 for the material is described. The temperature of the water is regulated...
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4718601 |
Heating unit
An improved heating unit includes a water storage tank having an immersion heating element, with the water being pumped from the storage tank through the coils of a heat exchanger or condenser...
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4689089 |
Heat control for a dishwashing machine
A dishwashing machine and a method for washing ware therewith are disclosed. The machine includes a wash chamber, a tank for holding a cleansing liquid, a spray system including a selectively...
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4625096 |
Liquid bath temperature control
The temperature of a liquid bath in the tank of a clinical analyzer is precisely regulated to a known reaction temperature, for example, 37.0 degrees C., notwithstanding the transport of cuvettes...
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4620667 |
Hot water heating system having minimum hot water use based on minimum water temperatures and time of heating
A conventional hot water heating system generally of the type for heating water in multiple units of hotels, motels, schools and the like and using any heating medium has a processor and control...
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4606325 |
Multi-controlled water conservation system for hot water lines with low pressure utilization disable
A water conservation system for use in residential dwellings or other buildings having a hot water distribution system. The system conserves water which is typically wasted by users while waiting...
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4604516 |
Cascaded arrangement for electrically heating fluids to high temperature
A cascaded fluid heating for electrically heating to fluid, such as a gaseous fluid in a flameless torch, to a high temperature includes a pump to pump a relative constant stream of fluid through a...
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4602145 |
Tap-off hot water system for electric beverage making device
The hot water container of a beverage making device is provided with a removable cover sealed thereto and has arranged therein an electric immersion heating element controlled by a running...
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4600825 |
Electrically heated diesel engine fuel conveying system
The invention relates to a system for conveying fuel, preferably diesel fuel, to an engine, in particular a diesel engine. The invention includes a pipe, at least one filter and a fuel pump. At...
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4599992 |
Anticipatory thermostat with reset for domestic hydronic boiler control
A hot water heating system for a building has a hot water storage tank, a combustor, a burner for firing the combustor, a plurality of radiators, a pump for circulating hot water to and from the...
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4595825 |
Thermostatically controlled electric water heater
An electric water heater for heating a flow of pool or spa water includes an elongated metallic body of brass, bronze, aluminum or alloys thereof. A lengthwise elongated hollow in the body defines...
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4594500 |
Electrically heated pump for spas and swimming pools
A pump for a spa or swimming pool adapted to heat the liquid being pumped includes a rigid plastic housing fabricated from (1) a first housing part having a volute portion defining a suction...
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4593169 |
Water heater
A water heater in which water is heated by microwave energy. A tank which holds water is separated by a horizontal partition into a relatively small upper chamber and a larger lower chamber....
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