1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone refrigerant compositions and uses thereof
    73.
    发明授权
    1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone refrigerant compositions and uses thereof 失效
    1,1,1,2,2,4,5,5,5-九氟-4-(三氟甲基)-3-戊酮制冷剂组合物及其用途

    公开(公告)号:US07332103B2

    公开(公告)日:2008-02-19

    申请号:US11437051

    申请日:2006-05-19

    IPC分类号: C09K5/04

    摘要: The present invention relates to compositions for use in refrigeration and air conditioning systems comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone and at least one chlorocarbon, alcohol, ketone, ether, ester, N-(difluoromethyl)-N,N-dimethylamine, 1,1,1,2,2-pentafluoro-2-[(pentafluoroethyl)thio]ethane or mixtures thereof, and which are also useful in systems employing a centrifugal compressor. The compositions of the present invention may be azeotropic or near azeotropic and are useful in processes for producing refrigeration or heat or as heat transfer fluids.

    摘要翻译: 本发明涉及用于制冷和空调系统的组合物,其包含1,1,1,2,2,4,5,5,5-九氟-4-(三氟甲基)-3-戊酮和至少一种氯碳化合物, 醇,酮,醚,酯,N-(二氟甲基)-N,N-二甲胺,1,1,1,2,2-五氟-2 - [(五氟乙基)硫代]乙烷或其混合物,并且它们也是有用的 在使用离心压缩机的系统中。 本发明的组合物可以是共沸的或接近共沸的,并且可用于生产制冷或加热或作为传热流体的方法。

    Compositions comprising tetrafluoropropene and methods of use thereof
    75.
    发明授权
    Compositions comprising tetrafluoropropene and methods of use thereof 有权
    包含四氟丙烯的组合物及其使用方法

    公开(公告)号:US09249347B2

    公开(公告)日:2016-02-02

    申请号:US14240038

    申请日:2012-08-24

    摘要: The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: (I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of said first composition; (II) a second composition, wherein said HFC-32 is at most 29 weight percent of said second composition; (III) a third composition, wherein said HFC-152a is at least 56 weight percent said third composition; (IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of said fourth composition; (V) a fifth composition comprising trans-HFO-1234ze, HFC-32, and HFC-152a, HFO-1243zf, or a mixture thereof; and (VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of said sixth composition.

    摘要翻译: 本发明涉及包含HFO-1234yf或反式HFO-1234ze或其混合物的组合物; HFC-32; 和HFC-152a,HFO-1243zf或其混合物,其中所述组合物选自:(I)第一组合物,其中所述HFO-1234yf或反式HFO-1234ze或其混合物至少为 56重量%的所述第一组合物; (II)第二组合物,其中所述HFC-32为所述第二组合物的至多29重量% (III)第三组合物,其中所述HFC-152a为所述第三组合物的至少56重量%。 (IV)第四组合物,其中所述HFC-32为所述第四组合物的至少56重量% (V)包含反式HFO-1234ze,HFC-32和HFC-152a,HFO-1243zf或其混合物的第五组合物; 和(VI)第六组合物,其中所述HFO-1243zf或其与HFC-152a的混合物为所述第六组合物的至多20重量%。

    Compositions comprising refrigerant and lubricant and methods for replacing CFC and HCFC refrigerants without flushing
    76.
    发明授权
    Compositions comprising refrigerant and lubricant and methods for replacing CFC and HCFC refrigerants without flushing 有权
    包含制冷剂和润滑剂的组合物和用于更换CFC和HCFC制冷剂而不冲洗的方法

    公开(公告)号:US09028707B2

    公开(公告)日:2015-05-12

    申请号:US13391913

    申请日:2010-09-03

    IPC分类号: C09K5/04 C10M171/00

    摘要: A composition comprising a refrigerant and a lubricant is disclosed, wherein the refrigerant comprises (i) a fluorocarbon selected from the group consisting of R125, R134a, R32, R152a, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; the lubricant comprises (iii) a hydrocarbon-based lubricant component; and (iv) a synthetic lubricant component; and the synthetic lubricant component is less than 30% by weight of the total lubricant. Also disclosed are methods of replacing refrigerants in refrigeration or air conditioning systems containing a refrigerant comprising a CFC or HCFC and a lubricant. The methods involve adding to the system (a) a replacement refrigerant comprising (i) a fluorocarbon selected from the group consisting of R125, R134a, R152a, R32, R143a, R218 and mixtures thereof, and (ii) a hydrocarbon selected from the group consisting of propane, n-butane, isobutane, n-pentane, isopentane, dimethyl ether, and mixtures thereof; and (b) a synthetic lubricant component; wherein after refrigerant replacement the synthetic lubricant component is less than 30% by weight of the total amount of lubricant in the system.

    摘要翻译: 公开了包含制冷剂和润滑剂的组合物,其中制冷剂包含(i)选自R125,R134a,R32,R152a,R143a,R218及其混合物的碳氟化合物,和(ii)选自 由丙烷,正丁烷,异丁烷,正戊烷,异戊烷,二甲醚及其混合物组成的组; 润滑剂包括(iii)烃基润滑剂组分; 和(iv)合成润滑剂组分; 并且合成润滑剂组分小于总润滑剂的30重量%。 还公开了在包含CFC或HCFC和润滑剂的制冷剂的制冷或空调系统中替换制冷剂的方法。 所述方法包括向系统(a)添加替代的制冷剂,其包含(i)选自R125,R134a,R152a,R32,R143a,R218及其混合物的碳氟化合物,和(ii)选自以下的烃: 由丙烷,正丁烷,异丁烷,正戊烷,异戊烷,二甲醚及其混合物组成; 和(b)合成润滑剂组分; 其中在制冷剂更换后,合成润滑剂组分小于体系中润滑剂总量的30重量%。

    METHODS OF REDUCING FLAME PROPOGATION IN SYSTEMS WITH A FLAMMABLE REFRIGERANT
    77.
    发明申请
    METHODS OF REDUCING FLAME PROPOGATION IN SYSTEMS WITH A FLAMMABLE REFRIGERANT 有权
    在具有易燃制冷剂的系统中减少火焰发生的方法

    公开(公告)号:US20130284464A1

    公开(公告)日:2013-10-31

    申请号:US13978730

    申请日:2012-01-11

    IPC分类号: A62C4/00

    CPC分类号: A62C4/00 A62C3/06 A62C3/07

    摘要: The present invention provides methods for reducing the propagation of a flame to or from a refrigerant source and an ignition source in or adjacent to a cooling system, comprising positioning a metal mesh flame arrestor between said refrigerant source and said ignition source. The methods allow the use of flammable refrigerants with reduced risk of fire.

    摘要翻译: 本发明提供了减少火焰在冷却系统中或与冷却系统相邻或相邻的致冷剂源和点燃源的传播的方法,包括在所述制冷剂源和所述点火源之间定位金属网阻火器。 这些方法允许使用具有降低火灾危险的易燃制冷剂。