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    Chromatography oven with heat exchange and method of use
    2.
    发明申请
    Chromatography oven with heat exchange and method of use 有权
    色谱烘箱具有热交换和使用方法

    公开(公告)号：US20050258088A1

    公开(公告)日：2005-11-24

    申请号：US11122148

    申请日：2005-05-04

    申请人： Jim Botelho ,  Stephen Pignataro ,  John Mezzoni ,  John Vanderhoef

    发明人： Jim Botelho ,  Stephen Pignataro ,  John Mezzoni ,  John Vanderhoef

    IPC分类号： B01D15/08 ,  G01N30/30

    CPC分类号： G01N30/30 ,  G01N2030/3084

    摘要： Methods and systems for cooling gas chromatography ovens that comprise a housing having a fluid entry and a sleeve positioned within the housing to provide a fluid gap between the inner surface of the housing and the outer surface of the sleeve, where the sleeve is coupled to the fluid entry, and where a cooling fluid from the fluid entry traverses the inner layer of the sleeve and thereafter the outer layer of the sleeve via the fluid gap. In one embodiment, the housing includes at least one adjustable fluid exit, and the fluid gap is in fluid communications with the fluid exit(s). The fluid entry and the sleeve can be concentric, and the sleeve can include a heating element. A fan can be positioned to drive the cooling fluid from the fluid entry.

    摘要翻译： 用于冷却气相色谱炉的方法和系统，其包括具有流体入口的壳体和位于壳体内的套筒，以在壳体的内表面和套筒的外表面之间提供流体间隙，其中套筒联接到 流体入口，并且其中来自流体入口的冷却流体经由流体间隙横穿套筒的内层，此后穿过套筒的外层。 在一个实施例中，壳体包括至少一个可调节流体出口，并且流体间隙与流体出口流体连通。 流体入口和套筒可以是同心的，并且套筒可以包括加热元件。 风扇可以定位成从流体入口驱动冷却流体。

    Rotary lawn mower
    3.
    发明授权
    Rotary lawn mower 失效
    旋转割草机

    公开(公告)号：US4312174A

    公开(公告)日：1982-01-26

    申请号：US160610

    申请日：1980-06-18

    申请人： John Vanderhoef

    发明人： John Vanderhoef

    IPC分类号： A01D34/63 ,  A01D34/71 ,  A01D35/26

    CPC分类号： A01D34/71 ,  A01D2101/00 ,  A01D34/63

    摘要： A single bladed rotary lawn mower comprises a toroidal cutting chamber of gradually increasing height over the cutting zone, and abruptly decreasing height adjacent the end thereof. A top discharge port and a side discharge port separate therefrom is provided, one or both of which may be optionally closed whereby the lawn mower may be used in mulching, rear bagging or side discharge operation as desired.

    摘要翻译： 单刃式旋转割草机包括在切割区上逐渐增加的高度的环形切割室，并且在其端部附近突然降低高度。 提供与其分离的顶部排出口和侧面排出口，其中一个或两个可以任选地封闭，从而割草机可以根据需要用于覆盖，后部装袋或侧面排放操作。

    Interlocking tile
    7.
    发明申请
    Interlocking tile 有权
    联锁瓷砖

    公开(公告)号：US20050166513A1

    公开(公告)日：2005-08-04

    申请号：US10769364

    申请日：2004-01-30

    申请人： John Vanderhoef

    发明人： John Vanderhoef

    IPC分类号： E04C3/00 ,  E04F15/10

    CPC分类号： E04F15/105 ,  E04F15/02194 ,  E04F2201/091 ,  E04F2201/095

    摘要： A polymeric interlocking tile for an adhesive-free assemblage with adjacent tiles having substantially similar, but inverted, edge interlocks thereon. The interlocks on each edge of a tile include a row of first and second sets of male-female types of alternating interlocks. The first interlock set includes a male lug projection having sidewalls forming one sidewall of a channel of U-shaped cross-section. The channel forms a female interlock cavity for the first set. The second interlock set is contiguous to the first set and includes a male projecting rib having two parallel sidewalls, one sidewall faces the edge and forms an opposite sidewall of the channel and an opposite, inwardly facing sidewall forms an enclosure for a second female cavity of the next set. At the opposite ends of each interlock row, the U-shaped channel sidewalls are wider to facilitate an initial interlock meshing between contiguous tiles of the assemblage.

    摘要翻译： 一种用于无粘合剂组合的聚合物互锁瓦片，具有相邻的瓦片，其上具有基本相似但倒置的边缘互锁件。 瓷砖的每个边缘上的互锁包括一排第一组和第二组公 - 母型交替互锁。 第一互锁组包括具有形成U形横截面的通道的一个侧壁的侧壁的凸形突起。 通道形成第一组的阴联锁空腔。 第二联锁组件与第一组件邻接并且包括具有两个平行侧壁的凸形突出肋，一个侧壁面向边缘并且形成通道的相对侧壁，并且相对的面向内侧的侧壁形成用于第二凹腔 下一套。 在每个联锁排的相对端，U形通道侧壁较宽，以便于在组合件的连续瓦片之间初始的互锁啮合。

    Knee pad
    8.
    外观设计
    Knee pad 失效
    护膝

    公开(公告)号：USD504981S1

    公开(公告)日：2005-05-10

    申请号：US29210993

    申请日：2004-08-10

    申请人： John Vanderhoef

    设计人： John Vanderhoef

    Chromatography Oven With Heat Exchange and Method of Use
    10.
    发明申请
    Chromatography Oven With Heat Exchange and Method of Use 有权
    色谱炉具有热交换和使用方法

    公开(公告)号：US20080047323A1

    公开(公告)日：2008-02-28

    申请号：US11932480

    申请日：2007-10-31

    申请人： Jim Botelho ,  Stephen Pignataro ,  John Mezzoni ,  John Vanderhoef

    发明人： Jim Botelho ,  Stephen Pignataro ,  John Mezzoni ,  John Vanderhoef

    IPC分类号： G01N30/02

    CPC分类号： G01N30/30 ,  G01N2030/3084

    摘要： Methods and systems for cooling gas chromatography ovens that comprise a housing having a fluid entry and a sleeve positioned within the housing to provide a fluid gap between the inner surface of the housing and the outer surface of the sleeve, where the sleeve is coupled to the fluid entry, and where a cooling fluid from the fluid entry traverses the inner layer of the sleeve and thereafter the outer layer of the sleeve via the fluid gap. In one embodiment, the housing includes at least one adjustable fluid exit, and the fluid gap is in fluid communications with the fluid exit(s). The fluid entry and the sleeve can be concentric, and the sleeve can include a heating element. A fan can be positioned to drive the cooling fluid from the fluid entry.

    摘要翻译： 用于冷却气相色谱炉的方法和系统，其包括具有流体入口的壳体和位于壳体内的套筒，以在壳体的内表面和套筒的外表面之间提供流体间隙，其中套筒联接到 流体入口，并且其中来自流体入口的冷却流体经由流体间隙横穿套筒的内层，此后穿过套筒的外层。 在一个实施例中，壳体包括至少一个可调节流体出口，并且流体间隙与流体出口流体连通。 流体入口和套筒可以是同心的，并且套筒可以包括加热元件。 风扇可以定位成从流体入口驱动冷却流体。