摘要:
A hose assembly, an internally threaded member therefor and methods of making the same are provided, the hose assembly comprising a flexible hose having opposite ends, an internally threaded member mounted on one of the opposite ends in a manner to swivel thereon to permit the internally threaded member to be finger coupled to an externally threaded part of a liquid dispensing spigot, the internally threaded member having an outer peripheral surface, and an annular member disposed around the internally threaded member in a manner to engage the outer peripheral surface thereof and having an external peripheral surface to be finger engaged for turning the internally threaded member in unison therewith relative to the hose, the annular member comprising a SANTOPRENE material.
摘要:
An endless positive drive power transmission belt is described for use with a cooperating pulley member, wherein the endless positive drive transmission belt comprises an elastomeric body portion, a plurality of longitudinally extending spaced apart tensile members, and a layer of wear-resistant fabric material positioned on the cooperating pulley member engaging surface of said belt, wherein a layer of a high ethylene-containing elastomer composition is bonded to a surface of the layer of wear-resistant fabric material in such a manner that the surface layer of the high ethylene-containing elastomer is disposed between the layer of wear-resistant fabric material and the cooperating pulley member. A method for coating a wear-resistant fabric material with a high ethylene-containing elastomer is also described.
摘要:
A heat exchanger apparatus for a liquid-cooled internal combustion engine including a radiator axially spaced from the engine, an engine-driven, suction-type fan axially spaced intermediate the engine and the radiator for drawing cooling air axially through the radiator, fan shroud means shaped and positioned with respect to the radiator and blades of the fan whereby the air stream discharged by the fan is in a radial outward direction, and an air baffle positioned intermediate the fan and engine for mitigating air recirculation in the fan hub region; the fan shroud structure is formed to provide a generally cylindrical exit throat section (CF), a radial flat discharge section (RF), and a radial expander or diverging section (R), serving as a transition between the throat section and the discharge section, and wherein the impeller blades of the fan have a projected or effective axial width (AW); the various shroud structure sections are dimensioned with respect to such projected or effective axial width (AW) of the fan blades and the fan blades are positioned with respect to the shroud structure sections in the following manner: CF=AW/3, RF=AW/3, R=2AW/3, and the radial plane defining one axial limit of the projected or effective axial width (AW) of the fan blades substantially contains the radial discharge section (RF).
摘要翻译:一种用于液冷内燃机的热交换器装置,其包括与发动机轴向间隔开的散热器,在发动机和散热器之间轴向隔开的发动机驱动的吸入式风扇,用于轴向地引导冷却空气通过散热器,风扇罩装置 相对于风扇的散热器和叶片成形和定位,由此由风扇排出的空气流处于径向向外的方向,以及位于风扇和发动机之间的空气挡板,用于减轻风扇轮毂区域中的空气再循环; 风扇罩结构被形成为提供大致圆柱形的出口喉部分(CF),径向平坦排放部分(RF)和径向膨胀器或分流部分(R),其用作在喉部和排出部分之间的过渡 ,并且其中所述风扇的叶轮叶片具有突出或有效的轴向宽度(AW); 各种护罩结构部分相对于风扇叶片的这种突出或有效的轴向宽度(AW)的尺寸确定,并且风扇叶片以如下方式相对于护罩结构部分定位:CF = AW / 3,RF = AW / 3,R = 2AW / 3,并且限定风扇叶片的突出或有效轴向宽度(AW)的一个轴向极限的径向平面基本上包含径向放电部分(RF)。
摘要:
Heat exchange apparatus including a toroidal-type radiator having radially extending cooling air passage-ways formed through the core thereof, a rotary fan positioned radially inwardly of the radiator core, fan shroud means shaped and positioned with respect to the radiator core and the blades of the fan whereby the air stream induced by the fan during operation has a major component in a radial direction, and an auxiliary radiator structure axially spaced from the rotary fan.
摘要:
A heat exchanger apparatus for a liquid-cooled internal combustion engine including a radiator axially spaced from the engine, an engine driven, suction type fan axially spaced intermediate the engine and radiator for drawing cooling air axially through the radiator, and fan shroud means shaped and positioned with respect to the radiator and the blades of the fan whereby the major component of the air stream discharged by the fan is in a direction reversed to the direction to the major component of the air stream entering the radiator. The fan shroud structure is formed to provide a generally cylindrical exit throat section (CF), a radial flat discharge section (RF), and a radial expander or diverging section (R) serving as a transition between the throat section and the radial exit section and wherein the propeller-type blades of the fan have a projected axial width (AW). The various shroud structure sections are dimensioned with respect to such projected axial width (AW) of the fan blades and the fan blades are positioned with respect to such shroud structure sections in the following manner: CF = AW/3, RF = AW/3, R = 2AW/3, and the radial plane containing the trailing edges of the fan blades is axially spaced outwardly from the radial plane containing the radial exit section (RF) a distance X.sub.E and wherein the magnitude of X.sub.E is between 60 and 75 percent of the projected axial width (AW) of the fan blades.
摘要翻译:一种用于液冷内燃机的热交换器装置,其包括与发动机轴向间隔开的散热器,在发动机和散热器之间轴向间隔开的引擎驱动的抽吸式风扇,用于轴向地引导散热器,以及风扇罩装置, 相对于风扇的散热器和叶片定位,由风扇排出的空气流的主要部分与进入散热器的空气流的主要部件的方向相反。 风扇罩结构被形成为提供大致圆柱形的出口喉部分(CF),径向平坦排放部分(RF)以及用作在喉部和径向出口部分之间的过渡部分的径向扩张器或发散部分 并且其中所述风扇的螺旋桨式叶片具有突出的轴向宽度(AW)。 各种护罩结构部分相对于风扇叶片的这种突出轴向宽度(AW)的尺寸确定,并且风扇叶片以如下方式相对于这种护罩结构部分定位:CF = AW / 3,RF = AW / 3 ,R = 2AW / 3,并且包含风扇叶片的后缘的径向平面从包含径向出口部分(RF)的径向平面向外轴向间隔开距离XE,并且其中XE的大小在60%和75%之间 的风扇叶片的预计轴向宽度(AW)。
摘要:
A heat tolerant, pressure resistant elastomeric composition comprising a blend of a first ethylene-vinyl ester copolymer and a second copolymer selected from the group consisting of chlorosulfonated polyethylene (CSM), chlorinated polyethylene (CPE), polychloroprene (CR), ethylene-acrylic elastomer (AEM), alkyl-acrylate copolymer (ACM), polyvinyl acetate (PVA), nitrile-butadiene rubber (NBR), hydrogenated nitrile-butadiene rubber (HNBR), and mixtures thereof, a hose manufactured therefrom; and a method for preparing the hose are described.
摘要:
A method of making a plurality of toothed belt constructions and a set of such belt constructions are provided, the method including the steps of disposing tubular sleeves of stretchable fabric material respectively onto a plurality of toothed mold members having different diameters, forcing mold material against the outside surfaces of the sleeves to tend to stretch the fabric material into the grooves of the toothed mold members as the mold material enters the grooves of the mold members so that the resulting toothed belt constructions will have the fabric material thereof carried in certain positions relative to the respective teeth thereof, and forming the sleeves from the same fabric material and with the same diameters in the nonstretched condition thereof.
摘要:
An elastomeric composition having improved adhesion to metal reinforcement is disclosed, said elastomeric composition comprising an elastomer containing, an adhesion promoting amount of a polysulfide having the formulaR--S.sub.(m) --R'where m is an integer of from about 2 to 6; R and R' are the same or different and are ##STR1## R" is an alkyl group of from about 1 to 4 carbon atoms; and R'" is an alkyl group of from about 1 to 4 carbon atoms or an aryl group.
摘要:
Heat exchange apparatus including a toroidal-type radiator having radially extending cooling air passageways formed through the core thereof, a rotary fan positioned radially inwardly of the radiator core, fan shroud means shaped and positioned with respect to the radiator core and the blades of the fan whereby the air stream induced by the fan during operation has a major component in a radial direction, and air recirculation barrier means for substantially eliminating the recirculation of air at the hub region of the fan.