Screw rotor and method of generating tooth profile therefor
    4.
    发明公开
    Screw rotor and method of generating tooth profile therefor 失效
    螺杆转子及其产生齿形的方法

    公开(公告)号:EP0736667A2

    公开(公告)日:1996-10-09

    申请号:EP96105462.4

    申请日:1996-04-04

    申请人: EBARA CORPORATION

    IPC分类号: F01C1/16

    摘要: The transverse tooth profile of a screw rotor which meshes with a companion screw rotor is defined by a tooth root circular arc, an outer circumferential circular arc, and two curves interconnecting the tooth root circular arc and the outer circumferential circular arc. One of the curves is defined by a trochoid curve generated by a point on an outer circumferential surface of the companion screw rotor. Alternatively, the curve may comprise two curve segments, and one of the two curve segments comprising a tooth tip arc which is defined as an arc having a radius of curvature equal to or smaller than the difference between a radius of curvature of the outer circumferential circular arc and a radius of a pitch circle of the tooth profile, and the other of the two curve segments comprising a curve connected to the tooth root circular arc and determined by a curve generated by the tooth tip arc of the companion screw rotor. The other curve is defined by determining a curve which defines an imaginary rack and thereafter producing a tooth profile curve generated by the imaginary rack.

    摘要翻译: 与配对螺杆转子啮合的螺杆转子的横向齿形由齿根圆弧,外圆弧和将齿根圆弧与外圆周圆弧相互连接的两条曲线限定。 其中一条曲线由配对螺旋转子的外圆周表面上的一点产生的次摆线​​曲线定义。 或者,该曲线可以包括两个曲线段,并且两个曲线段中的一个包括齿尖圆弧,该齿尖圆弧被定义为曲率半径等于或小于外圆周的曲率半径 所述两个曲线段中的另一个曲线段包括连接到所述齿根圆弧并由所述配对螺杆转子的所述齿尖弧产生的曲线确定的曲线。 另一条曲线是通过确定一个曲线来确定的,该曲线定义了一个假想齿条,然后产生一个由假想齿条产生的齿廓曲线。

    Screw rotor and method of generating tooth profile therefor
    8.
    发明公开
    Screw rotor and method of generating tooth profile therefor 失效
    螺杆转子和方法,用于配置文件生成其齿

    公开(公告)号:EP0736667A3

    公开(公告)日:1996-12-11

    申请号:EP96105462.4

    申请日:1996-04-04

    申请人: EBARA CORPORATION

    IPC分类号: F01C1/16

    摘要: The transverse tooth profile of a screw rotor which meshes with a companion screw rotor is defined by a tooth root circular arc, an outer circumferential circular arc, and two curves interconnecting the tooth root circular arc and the outer circumferential circular arc. One of the curves is defined by a trochoid curve generated by a point on an outer circumferential surface of the companion screw rotor. Alternatively, the curve may comprise two curve segments, and one of the two curve segments comprising a tooth tip arc which is defined as an arc having a radius of curvature equal to or smaller than the difference between a radius of curvature of the outer circumferential circular arc and a radius of a pitch circle of the tooth profile, and the other of the two curve segments comprising a curve connected to the tooth root circular arc and determined by a curve generated by the tooth tip arc of the companion screw rotor. The other curve is defined by determining a curve which defines an imaginary rack and thereafter producing a tooth profile curve generated by the imaginary rack.

    VERFAHREN ZUR BRAUNKOHLENAUFBEREITUNG FÜR GAS-DAMPF-KOMBIPROZESSE
    9.
    发明授权
    VERFAHREN ZUR BRAUNKOHLENAUFBEREITUNG FÜR GAS-DAMPF-KOMBIPROZESSE 失效
    方法BROWN煤炭加工FOR燃气 - 蒸汽联合处理

    公开(公告)号:EP0639214B1

    公开(公告)日:1996-05-08

    申请号:EP92904443.6

    申请日:1992-02-13

    IPC分类号: C10F5/00 F01K23/06

    摘要: The invention concerns a process for dressing brown coal for combined gas and steam processes in heat-generating installations. The aim of the invention is to achieve substantial reduction of the CO2 emission per useful effect unit by reduced use of fossil energy carriers; the devices for drying raw brown coal are to be connected to the heat-generating installation in such a manner that the energy of the exhaust vapours is fully utilized. To this end, the drying container is operated in conjunction with a pressurized fluidized bed combustor, a gas turbine, a steam turbine, a pneumatically heated steam intermediate heater and a waste heat boiler; the drying energy for the drying container is obtained from saturated steam from the waste heat boiler of the combined process; the energy content of the de-dusted exhaust vapours under medium pressure is used to evaporate a partial flow of feed water; the gas turbine is operated with exhaust gases from the pressurized fluidized bed combustor; condensed combustion air is used for intermediate superheating of the steam, with cooling of the combustion air; and the exhaust vapour condensate formed by energetic connection is prepared and used to supply water for the circulation process.