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    • 1. 发明申请
    • METHOD OF POWER-EFFICIENT CHROMATOGRAPHIC SEPARATION
    • US20200306666A1
    • 2020-10-01
    • US16086122
    • 2016-03-18
    • Francois Parmentier
    • Francois Parmentier
    • B01D15/24B01D15/18B01D15/40B01D53/02G01N30/84G01N30/34
    • The invention is a method for liquid, gaseous or supercritical phase chromatography which involves circulating, on a chromatograph (6) containing a stationary phase, a load (1) comprising components to be separated entrained by a carrier fluid (2), said method being characterized in that it involves: (a) obtaining, at the outlet of the chromatograph, a plurality of chromatographic fractions (3, 4) comprising at least one component of the load and the carrier fluid in a first fluid phase, (b) imposing a change of state on at least one of said chromatographic fractions (3, 4) so as to obtain at least one fraction of purified carrier fluid in a second fluid phase different from the first fluid phase by separating said carrier fluid from the component of the load, (c) imposing a change of state in a reverse direction to that of step (b) on at least one fraction of purified carrier fluid obtained in step (b) so as to obtain at least one fraction of purified carrier fluid in a third fluid phase different to the second fluid phase, and in that it involves coupling the change-of-state energies from the first fluid phase to the second fluid phase and from the second fluid phase to the third fluid phase of the same or of another fraction of purified carrier fluid, said coupling comprising a transfer of heat using a heat pump.
    • 3. 发明授权
    • Method of power-efficient chromatographic separation
    • US11406916B2
    • 2022-08-09
    • US16086122
    • 2016-03-18
    • Francois Parmentier
    • Francois Parmentier
    • B01D15/24B01D15/18B01D15/40B01D53/02G01N30/34G01N30/84B01D5/00B01D1/28B01D1/00
    • The invention is a method for liquid, gaseous or supercritical phase chromatography which involves circulating, on a chromatograph (6) containing a stationary phase, a load (1) comprising components to be separated entrained by a carrier fluid (2), said method being characterized in that it involves: (a) obtaining, at the outlet of the chromatograph, a plurality of chromatographic fractions (3, 4) comprising at least one component of the load and the carrier fluid in a first fluid phase, (b) imposing a change of state on at least one of said chromatographic fractions (3, 4) so as to obtain at least one fraction of purified carrier fluid in a second fluid phase different from the first fluid phase by separating said carrier fluid from the component of the load, (c) imposing a change of state in a reverse direction to that of step (b) on at least one fraction of purified carrier fluid obtained in step (b) so as to obtain at least one fraction of purified carrier fluid in a third fluid phase different to the second fluid phase, and in that it involves coupling the change-of-state energies from the first fluid phase to the second fluid phase and from the second fluid phase to the third fluid phase of the same or of another fraction of purified carrier fluid, said coupling comprising a transfer of heat using a heat pump.
    • 7. 发明申请
    • Anti-irregular wear device for tire tread
    • 轮胎胎面防磨损装置
    • US20070056665A1
    • 2007-03-15
    • US11518914
    • 2006-09-12
    • Jean-Francois Parmentier
    • Jean-Francois Parmentier
    • B60C11/13
    • B60C11/042B60C11/13
    • A tire tread comprising a tread pattern formed by elements in relief defined by at least two grooves of a width of generally circumferential orientation, at least one of said grooves comprising a plurality of anti-wear studs arranged substantially regularly in the longitudinal (circumferential) direction of the tread, each stud of a maximum height at its base being separate from its neighbors in the groove, each stud comprising an outer surface formed of lateral parts facing the walls of the tread pattern elements and an outer surface between said lateral parts, the outer surface of each stud comprising at least two contact surfaces substantially parallel to the running surface, these contact surfaces being offset radially towards the inside relative to the running surface and offset radially relative to one another in the direction of the height of the stud, the offset with regard to height between two successive contact surfaces of one and the same stud being at least equal to 25% of the maximum height of the stud.
    • 一种轮胎胎面,包括由通过至少两个大致圆周方向宽度的凹槽限定的凸起元件形成的胎面花纹,所述凹槽中的至少一个包括沿纵向(圆周)方向基本上规则地布置的多个防磨性柱 在其基部处的最大高度的每个螺柱与凹槽中的相邻部分分离,每个螺柱包括由面向胎面花纹元件的壁的侧面部分和所述侧部之间的外表面形成的外表面, 每个螺栓的外表面包括基本上平行于运行表面的至少两个接触表面,这些接触表面相对于行进表面径向偏向内侧,并且在螺柱的高度方向上相对于彼此径向偏移, 相对于同一螺柱的两个连续的接触表面之间的高度的偏移至少等于25%的偏移 螺柱的最大高度。