|
Match
|
Document |
Document Title |
|
|
4680939 |
Process for producing heat and/or cold by means of a compression engine operating with a mixed working fluid
The invention relates to a process for producing heat and/or cold by means of a compression engine operating with a nonazeotropic mixed working fluid. It is characterized in that the mixed working...
|
|
|
4673517 |
Heat pump
A heat pump medium comprising 2,2,3,3,3-pentafluoropropanol either alone or in admixture with water.
|
|
|
4649895 |
Exothermic composition
Exothermic compositions which contain iron powders treated with sulfur-containing compounds as agents to be oxydized and mugwort leaf dry powders as a part of water holding agents. According to the...
|
|
|
4647391 |
Chlorofluorinated fluids for absorption machines
Working fluid/solvent compositions for use in absorption heating and cooling equipment, which compositions comprise a chlorofluoroethane with a boiling point between -40° and +50° C. and at least...
|
|
|
4623475 |
Fluorochlorohydrocarbon compositions
The invention provides fluorochlorohydrocarbon compositions containing as a stabilizer a boron compound or a boron compound and an ester of phosphorous acid. The compositions are for use as a...
|
|
|
4606841 |
Azeotrope-like compositions of trichlorotrifluoroethane, ethanol, acetone, nitromethane and hexane
Azeotrope-like compositions comprising of trichlorotrifluoroethane, ethanol, acetone, nitromethane and hexane are stable and have utility as degreasing agents and as solvents in a variety of...
|
|
|
4603002 |
Method and cooling agent for freezing and storing products
A method comprises complete liquefaction of the cooling agent, before its cooling is carried out, by dissolving in the components of the mixture liquefied at the working pressure, those of which...
|
|
|
4597266 |
Freezing agent and container
A freezing agent for maintaining supercold temperatures. Solid carbon dioxide is impregnated with liquid nitrogen so that the liquid nitrogen diffuses through the lattice of crystals making up the...
|
|
|
4594378 |
Polymeric compositions, oil compositions containing said polymeric compositions, transmission fluids and hydraulic fluids
Polymeric compositions are described which comprise a mixture of (A) at least one oil-soluble polymer which is a homopolymer of a non-aromatic monoolefin or a copolymer of said non-aromatic...
|
|
|
4584122 |
Azeotrope-like compositions of trichlorotrifluoroethane, ethanol, nitromethane and 2-methylpentane or a mixture of hexanes
Azeotrope-like compositions comprising trichlorotrifluoroethane, ethanol, nitromethane and 2-methylpentane or a mixture of hexanes which are stable and have utility as degreasing agents and as...
|
|
|
4562995 |
Working fluids for Rankine cycle
Working fluids for the Rankine cycle comprising chlorodifluoromethane and one of difluoroethane and dichlorotetrafluoroethane.
|
|
|
4563295 |
High temperature absorbent for water vapor
The invention discloses a novel binary composition of matter for use in absorption cycles and similar applications requiring the reversible absorption and desorption of water vapor. The composition...
|
|
|
4557851 |
Working fluids for the Rankine cycle comprising trichlorofluoromethane and 1,1-difluoroethane, isobutane or octafluorocyclobutane
Working fluids for the Rankine cycle comprising trichlorofluoromethane and a member selected from the group consisting of difluoroethane, isobutane and octafluorocyclobutane.
|
|
|
4557850 |
Composition for absorption refrigeration
A composition for absorption refrigeration which comprises a fluorinated hydrocarbon refrigerant, an amide or glycol ether solvent serving as an absorption liquid, and a phosphite stabilizer. The...
|
|
|
4510064 |
Mixture of three refrigerants
A novel azeotropic mixture of the refrigerants R12, R22 and R142b in which a higher operating temperature and a lower operating pressure are attained than are attainable by any of the refrigerants...
|
|
|
4508631 |
Dehydrating refrigerant
Refrigeration fluid compositions for refrigeration and air-conditioning circuits include a usual refrigerant fluid together with a liquid, hydrolyzable organosilane which exists as a liquid in the...
|
|
|
4498999 |
Process for the heating and/or thermal conditioning of a building by means of a heat pump operated with a specific mixture of working fluids
Buildings are advantageously heated or heat-conditioned with a heat pump operated with a non-azeotropic mixture consisting essentially of two working fluids, with the mixture comprising a major...
|
|
|
4482466 |
Heat pumping process based on the principle of absorption
Phosphoric acid, especially orthophosphoric acid, is employed as the absorption medium in an absorption heat pumping system using water as its working medium. The acid may contain additions of...
|
|
|
4482465 |
Hydrocarbon-halocarbon refrigerant blends
A refrigeration process is conducted by employing as the refrigerant a mixture of one or more hydrocarbons and one or more halocarbons. The boiling points of the components of the mixture are...
|
|
|
4481367 |
High viscosity polyoxyalkylene glycol block copolymers and method of making the same
A high molecular weight, high viscosity liquid, water soluble polyoxyalkylene block copolymer suitable as a functional fluid is provided having the formula ##STR1## wherein Q is the organic residue...
|
|
|
4471628 |
Procedure for cooling of work pieces
A procedure for cooling work pieces includes mixing solid matter in the form of microscopic particles with a low boiling liquefied gas wherein the particles are suspended therein due to their...
|
|
|
4467609 |
Working fluids for electrical generating plants
Halides of tungsten and molybdenum are described for use as working fluids in power plants. Specifically, tungsten pentachloride, tungsten hexachloride, molybdenum hexafluoride and molybdenum...
|
|
|
4465609 |
Method of operating a heat pump or a thermal engine with a chloro-fluorinated hydrocarbon having an increased thermal stability
A method of operating a heat pump or a thermal engine with the vaporization and the condensation of a heat transfer fluid. The fluid is a chlorofluorinated hydrocarbon with 2 or 3 carbon atoms, a...
|
|
|
4457308 |
Plastically deformable cooling agent
A plastically deformable cooling agent consists of a mixture of liquid nitrogen with at least 8% by weight of fine-grained silica gel.
|
|
|
4455247 |
Composition for use in an absorption refrigeration system
A composition for use in an absorption refrigeration system which comprises at least one refrigerant of a fluorinated alcohol having 2 to 10 carbon atoms, being a liquid at ordinary room...
|
|
|
4454052 |
Liquid absorbent for absorption type refrigerator
A stabilized absorption composition comprising (a) a halogenated hydrocarbon refrigerant, (b) a liquid absorbent of a polyethylene glycol methyl ether and (c) at least one stabilizer selected from...
|
|
|
4448025 |
Process for recovering exhaust heat
The present invention relates to a process for recovering the exhaust heat using the working fluid of the toluene (or benzene)-water system in the vapor cycle, when the moderate heat energy of...
|
|
|
4438231 |
High impact strength, flame retardant polycarbonate composition
The compositions of the invention comprise from about 70 to 85 parts by weight of a high molecular weight polycarbonate resin, from about 10 to 30 parts by weight of a copolymer of...
|
|
|
4431557 |
Refrigerator oil composition(s)
A fluid composition comprised of a fluorocarbon refrigerant, a hydrocarbon oil, and an alkylene oxide additive compound represented by the general formula (I): ##STR1## wherein R is hydrogen or a...
|
|
|
4428854 |
Absorption refrigerant compositions for use in absorption refrigeration systems
An absorption refrigerant composition for use in absorption refrigeration systems comprising 1,1,1,2-tetrafluoroethane and an organic solvent capable of dissolving the ethane.
|
|
|
4344292 |
Process for heat production by means of a heat pump operated with a specific mixture of fluids as the working agent
A building is heated by means of a heat pump operated with a mixture of at least two working fluids, the proportion of the minor constituent being from 0.5 to 20% by mole and the difference between...
|
|
|
4309296 |
Refrigerant mixture
A refrigerant comprising a mixture of chlorodifluoromethane and diffluoromethane.
|
|
|
4303536 |
Nonazeotropic refrigerant composition containing monachlorodifluoromethane, and method of use
A novel nonazeotropic mixture containing R-22 and either R-124 or R-152a. This mixture has an improved efficiency in cooling and heating applications. Also provided is a method for producing...
|
|
|
4294716 |
Halocarbon and azeotrope refrigerant compositions containing offensive warning component
This invention deals with the identification of materials which can be used as an odorant for halocarbons and azetropes, primarily chlorofluorocarbons, commonly used as refrigerants in...
|
|
|
4282386 |
Alkyl, cycloalkyl diethers of (poly)alkylene glycols
Mono- and polyalkylene glycol diethers are prepared by reacting the corresponding alkyl monethers with a C 5 -6 cycloalkene in the presence of an acid ion-exchange resin.
|
|
|
4268407 |
Cleaning composition
A composition for cleaning printed circuit boards contains 92 to 95 weight percent 1,1,2-trichloro-1,2,2-trifluoroethane, 5 to 7 weight percent methanol and 0.05 to 1 weight percent methyl acetate.
|
|
|
4267235 |
Polyglutaraldehyde microspheres
Suspension polymerization of aqueous glutaraldehyde in basic conditions in presence of surfactants such as isobutoxy acrylamide copolymers and/or cross-linking agents yield cross-linked, water...
|
|
|
4261847 |
Refrigerant compositions
A composition useful as a refrigerant comprising a mixture of bromotrifluoromethane (R-13B1) and 1,1-difluoroethane (R-152a).
|
|
|
4254818 |
Method and means for the cooling of heat generating industrial operations
A heat generating industrial operation is cooled by means of an aqueous brine of a concentration of 20-35% by weight. The brine is flown in closed cycle between a heat exchanger of said operation...
|
|
|
4242870 |
Power systems using heat from hot liquid
The present invention relates to power systems and more particularly to systems in which hot water from a natural well or spring is used to vaporize a working fluid which is then expanded to...
|
|
|
4232525 |
Working fluid for Rankine cycle
A Rankine cycle working fluid containing a mixture of 2,2,3,3-tetrafluoropropanol and water, which is low toxic, incombustible, nonexplosive, noncorrosive and stable, and also has a high critical...
|
|
|
4224796 |
Method for converting heat energy to mechanical energy with 1,2-dichloro-1,1-difluoroethane
1,2-Dichloro-1,1-difluoroethane is useful as a power fluid with particular suitability for moderate scale Rankine cycle applications based on systems with moderate temperature heat sources. The...
|
|
|
4199548 |
Thermally diffusible composites
A thermally diffusible composite comprising a thermally diffusible medicine such as allethrin, a thermogenic composition including an alkali metal sulphide or the like, carbonaceous material or the...
|
|
|
4157976 |
Constant boiling mixtures of 1,1,1,2-tetrafluorochloroethane and chlorofluoromethane
Constant boiling mixtures of 1,1,1,2-tetrafluorochloroethane and chlorofluoromethane are useful as refrigerants, heat transfer media, gaseous dielectrics, expansion agents, aerosol propellants,...
|
|
|
4157979 |
Azeotropic compositions
Azeotropic compositions are formed with n-butane, 1,1,2,2,3,3,4,4,4-nonafluoro-n-butane and 1,1,1,2,3,3,4,4,4-nonafluoro-n-butane.
|
|
|
4155865 |
Constant boiling mixtures of 1,1,2,2-tetrafluoroethane and 1,1,1,2-tetrafluorochloroethane
Constant boiling mixtures of 1,1,2,2-tetrafluoroethane and 1,1,1,2-tetrafluorochloroethane are useful as refrigerants, heat transfer media, gaseous dielectrics, expansion agents, aerosol...
|
|
|
4149016 |
Perfluoroethers
A method for synthesizing perfluoropolyethers by effecting addition reactions under low temperature photolysis between perfluoroolefins, perfluorodialkyl peroxides and fluoroxyperfluoroalkanes...
|
|
|
4138855 |
Transferring heat from relatively cold to relatively hot locations
Heat is transferred from a cold heat source to a hot heat sink by an absorption type heat pump wherein the working fluid and the absorbent liquid are capable of forming a solution having a lower...
|
|
|
4137720 |
Use of calcium halide-water as a heat extraction medium for energy recovery from hot rock systems
In order to extract energy in a matter more efficient than is presently known to the art, from hot dry rock geothermal systems, a mixture of water and calcium chloride is used. The fluid mixture is...
|
|
|
4116847 |
Alkoxysilane double cluster compounds with silicone bridges and their preparation and use
Novel alkoxysilane cluster compounds are described having the formula: ##STR1## wherein n is an integer from 0 to 300; R is hydrogen, alkyl, alkenyl, aryl, aralkyl or --OSi(OR') 3 ; each R' is...
|