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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 62/216 - Of or by evaporation zone


Subclass of Class 62 - Refrigeration
Definition: Apparatus controlling or responding to the condition of
No. of patents: 50
Last issue date: 06/05/2007


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NumberTitleIssue Date
7225635Refrigerant cycle apparatus
For a purpose of preventing a compressor from being damaged by liquid compression without disposing any accumulator on a low-pressure side, there is disclosed a transition critical refrigerant cycle apparatus having a supercritical pressure on a high-pressure side. ...
06/05/2007
7198766Method for production of acrylic acid and apparatus for production of acrylic acid
Chilled coolant is prepared by liquid coolant utilizing the latent heat generated by a gasification of liquefied propylene, for example, and this chilled coolant is used in heat exchangers which are used in a process for production of acrylic acid or acrolein. This ...
04/03/2007
7143593Refrigerant cycle apparatus
There is disclosed a refrigerant cycle apparatus capable of avoiding occurrence of an abnormal rise in a pressure on a high-pressure side in advance, comprising: a throttling mechanism including a first capillary tube, and a second capillary tube which is connected ...
12/05/2006
7089761Expansion valve with mounting bracket
A bracket for a refrigeration valve includes an elongated flat plate bent in half with the two halves of the plate lying in parallel, adjacent relation. The inner bracket half includes an opening closely receiving the inlet fitting of the valve, and a predetermined ...
08/15/2006
7066722Discharge valve for compressor
A compressor assembly including a compressor mechanism, a compression chamber and a discharge chamber. A discharge port provides fluid communication between the compression chamber and the discharge chamber. A valve seat circumscribes the discharge port. A discharge...
06/27/2006
7043926Cargo area grocery chiller
Method and apparatus for supplying refrigerated air to a localized volume in a vehicle, suitable for the transport of groceries and other perishables. The localized volume is created by insulated panels in the storage area of a vehicle. The chiller unit includes an ...
05/16/2006
6997000Refrigeration system and method of operation therefor
The object of the present invention is to prevent refrigerant from flowing out into a vehicle compartment due to damage to an evaporator or piping associated therewith. A solenoid valve is arranged at an inlet of an evaporator, and a check valve is arranged at an ou...
02/14/2006
6973799Distributed refrigeration system for a vehicle
A distributed refrigeration system for a vehicle includes a vapor compression primary cooling circuit and a separate secondary cooling circuit. The secondary cooling circuit utilizes a non-toxic cooling fluid that is pumped to remote locations in the vehicle through...
12/13/2005
6640568Vehicle air conditioner with arrangement of temperature detector
In a vehicle air conditioner, a temperature sensor is disposed on a tank of an evaporator to contact the tank. In addition, the temperature sensor is disposed at a tank position separated from a refrigerant inlet and a refrigerant outlet. Accordingly, a d...
11/04/2003
6631621Cryogenic temperature control apparatus and method
A method of temperature control in a cryogenic temperature control apparatus comprises providing a heat exchanger in thermal communication with an air-conditioned space. The heat exchanger includes an air inlet and an evaporator coil having an outlet. The...
10/14/2003
6134900Supercritical refrigerating system
When a compressor is stopped, a refrigerant passage in which refrigerant flows from a radiator to an evaporator is closed by a pressure control valve. Accordingly, even after the compressor is stopped, a high-pressure side pressure can be prevented from d...
10/24/2000
5983656Air conditioning system
An air conditioning system is provided. A driving force is constantly transmitted to a clutchless compressor via a pulley. A condenser causes a high-temperature and high-pressure gaseous refrigerant compressed by the clutchless compressor to change to a h...
11/16/1999
5946925Self-contained refrigeration system and a method of high temperature operation thereof
A self-contained refrigeration system utilizes a solenoid valve to meter refrigerant to a thermal process, the thermal process to be maintained at a predetermined temperature. When cooling of the thermal process is not required, refrigerant is recycled wi...
09/07/1999
5937657Cooler
A controller is provided for controlling the operation of a Joule-Thomson cooler. When the cooler has cooled down to its operating temperature, the rate of gas flow to the cooler is controlled as a function of the ambient temperature in order to maintain ...
08/17/1999
5921090Control method for a cryogenic refrigeration system
A control method is provided for a cryogenic refrigeration system having an evaporator-heater coil, an electronically controlled valve for regulating the amount of cryogen to the coil, and a vapor motor driven by the cryogen that is coupled to both an alt...
07/13/1999
5797276Methods and devices for energy conservation in refrigerated chambers
Methods and devices for energy conservation to be retrofitted to refrigerated chambers or boxes of the type comprising an insulated chamber and an associated compression-type refrigeration system. The energy conservation devices disclosed are adapted to b...
08/25/1998
5724817Laminated heat exchanger
The object of the present invention is to provide a laminated heat exchanger having a block type expansion valve which is mounted without using O-rings or screws. In the laminated heat exchanger, the block main body, which is a component of the block type...
03/10/1998
5522452Liquid cooling system for LSI packages
In a liquid cooling system for a printed circuit board on which integrated circuit packages are mounted, heat sinks are secured respectively to the packages in heat transfer contact therewith. Nozzles are provided in positions corresponding to the heat si...
06/04/1996
5488835Methods and devices for energy conservation in refrigerated chambers
Methods and devices for energy conservation to be retrofitted to refrigerated chambers or boxes of the type comprising an insulated chamber and an associated compression-type refrigeration system. The energy conservation devices disclosed are adapted to b...
02/06/1996
5209080Refrigerant flow control device
A cylindrical standpipe extends upwardly from the bottom of a liquid refrigerant sump, and vertical slots are formed in the sides thereof near the bottom end. On the inner sides of the standpipe, a sleeve is slideably disposed to uncover the slots as the ...
05/11/1993
5205131Refrigerator system with subcooling flow control
A vapor compression refrigeration system for cooling a cabinet having a thermostat for cycling the compressor off and on to maintain a predetermined temperature range in the cabinet includes a subcooling flow control valve at the inlet to the capillary tu...
04/27/1993
5203179Control system for an air conditioning/refrigeration system
A microprocessor-based air conditioning/refrigeration control system adapted for use with a variable speed compressor measures acceleration of the compressor and the temperature or pressure of the refrigerant exiting therefrom, determines the rate of chan...
04/20/1993
5156017Refrigeration system subcooling flow control valve
A flow control valve is disclosed in a household refrigeration appliance having a vapor compression refrigeration system comprising a cyclically operated compressor, a condenser, an evaporator and an expansion device between the condenser and the evaporat...
10/20/1992
5117439Method for operating an electrode graphitization furnace
The electric furnace operating cycle time is substantially reduced by directing water into the porous pack of carbonaceous material surrounding the electrodes at a water rate adjusted to maximize vaporization of water into steam within the porous pack whi...
05/26/1992
5088303Migration blocking valve in a refrigerating system
A valve for blocking migration of refrigerant in a system including a compressor having an outlet for the compressed refrigerant and an inlet for the refrigerant to be compressed, the valve having a housing with a inlet passage for receiving the compresse...
02/18/1992
5054292Cryogenic freezer control
Method and apparatus for controlling the cooldown and steady-state operation of a tunnel type cryogenic freezer by providing auxiliary cryogen to one or more gas recirculating zones of the freezer and controlling the supply of the auxiliary cryogen by sen...
10/08/1991
5050393Refrigeration system with saturation sensor
A refrigeration system including an evaporator. A reservoir is connected to the evaporator at a point intermediate the inlet and the outlet of the evaporator. The reservoir is placed in heat exchange relationship with the suction line near the outlet of t...
09/24/1991
4966006Refrigeration plant and method of controlling a refrigeration plant
The refrigeration plant disclosed herein includes an evaporator, a compressor connected to the outlet of the evaporator, a condenser connected to the outlet of the compressor, a controllable expansion valve connected to the outlet of the condenser and hav...
10/30/1990
4899547Hot strip mill cooling system
An apparatus and method for cooling a strip of moving metal in a hot strip mill, or the like, is disclosed. The apparatus utilizes an infrared sensor for measuring a temperature profile across a transverse section of the strip. A coolant manifold is utili...
02/13/1990
4833892Process and an apparatus for the adjustment or maintenance of a refrigerated atmosphere
The invention relates to a process and an apparatus for the adjustment of maintenance of a refrigerated atmosphere, in particular an atmosphere adjusted to goods stored in a refrigerating tank, in particular a refrigerating container, with the refrigerati...
05/30/1989
4750338Device for cooling a detector, particularly in an optical seeker
A detector (24) in an optical seeker is cooled by means of the Joule-Thomson effect by expansion of pressurized gas. The pressurized gas is generated by a compressor (10) and is guided through a molecular filter (18) to the cooling device (22). The molecu...
06/14/1988
4739622Apparatus and method for the deep cryogenic treatment of materials
Apparatus and methodology for the ultralow temperature processing of metallic, carbide, ceramic and plastic parts and items to materially increase their wear, abrasion, erosion and corrosion resistivity, stabilize their strength characteristics, improve t...
04/26/1988
4627244Cryogenic cooling
A process is provided for carrying out the cryogenic cooling of a material which comprises introducing material to be cooled into an elongated cryogenic tunnel housing on means for conveying said material from an inlet end to an outlet end, spraying liqui...
12/09/1986
4622829Refrigerating cycle
A refrigerating cycle composed of a compressor, a condenser, a pressure differential valve, a throttle, an evaporator and a check valve. The check valve is connected back to the compressor. The above mentioned pressure differential valve is divided into a...
11/18/1986
4545215Refrigeration apparatus
A refrigeration apparatus comprising a compressor, a condenser, a pressure-reducing device and an evaporator connected sequentially in a loop. The loop includes a check valve placed between the outlet of said evaporator and the intake port of said compres...
10/08/1985
4487025Passive booster for pumping liquified gases
The present invention comprises a method and apparatus for maintaining a liquified gas such as CO2 or N2 in a liquid state prior to its introduction into the suction of a positive displacement pump such as is commonly employed in hig...
12/11/1984
4475351Dual-flow cryogenic freezer
Products to be frozen are conveyed through an insulated horizontal tunnel having a plurality of individual cooling zones, each equipped with a radial fan rotating in a horizontal plane. Cryogenic liquid refrigerant is sprayed into one or more of the cooli...
10/09/1984
4422303Process for cooling a continuously moving material to a predetermined temperature
A continuously controlled process for cooling a material to within a desired temperature range as the material moves along a path, especially suitable for situations in which the amount of material being cooled is unknown. The material is first contacted ...
12/27/1983
4354357Conveyor system with cooling means
A conveyor system with cooling means is provided and comprises an elongated frame defining a conveyor track. An elongated conveyor is mounted within the frame so that a portion of the conveyor extends longitudinally along the conveyor track while a suitab...
10/19/1982
4344291Cryogenic cabinet freezer
A cabinet cooler or freezer which efficiently utilizes cryogenic refrigeration either with or without mechanical refrigeration. The freezer intermittently freezes relatively large batches of food by efficiently utilizing the natural expansion effect of a ...
08/17/1982
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