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    • 112. 发明申请
    • COMPRESSOR HEAD
    • 压缩机头
    • WO2004044423A1
    • 2004-05-27
    • PCT/GB2003/004699
    • 2003-11-03
    • Z & D LIMITEDZHANG, Wei-MinDAY, Ivor, J.
    • ZHANG, Wei-MinDAY, Ivor, J.
    • F04B43/02
    • F04B43/02F04B35/045F04B39/0005F04B39/125F04B43/0054F04B43/04F04B45/043F04B45/047
    • A compressor/pump head (10; 100; 200) comprises a piston assembly (20; 120; 220) and a chamber-head assembly (30; 130; 230) defining a working chamber (60; 160; 260) between them. The piston assembly is fitted with a first diaphragm (26; 126; 260) and the chamber-head assembly is fitted with a second diaphragm (36; 136). The piston and chamber­head assemblies and their respective diaphragms form complementary relationship so that during compressing phase the two diaphragms form between them a progressive compliance contact until the working chamber's volume is reduced to virtually zero. In this way, the compressor head can achieve a high compression ratio by a relatively small stroke. Furthermore, the chamber-head assembly is fitted with a self-adjusting mechanism including a biasing spring (34; 134) and a cushioning arrangement (80; 180), which can adjust the chamber-head's position automatically in response to changes in outlet pressure. Such a position adjustment can compensate the stroke reduction of a linear drive when the working load is increased.
    • 压缩机/泵头(10; 100; 200)包括活塞组件(20; 120; 220)和在其间限定工作室(60; 160; 260)的腔室头组件(30; 130; 230)。 活塞组件装配有第一隔膜(26; 126; 260),腔室头部组件装配有第二隔膜(36; 136)。 活塞和腔室组件及其各自的隔膜形成互补关系,使得在压缩阶段期间,两个隔膜在它们之间形成渐进的柔性接触,直到工作室的体积减小到几乎为零。 以这种方式,压缩机头可以通过相对小的行程实现高压缩比。 此外,腔室头组件装配有包括偏置弹簧(34; 134)和缓冲装置(80,180)的自调节机构,其可以响应于出口压力的变化自动调节腔室头部的位置 。 这样的位置调整可以补偿当工作负载增加时线性驱动器的行程减小。
    • 118. 发明授权
    • Post anchor
    • 邮政锚
    • US09004439B2
    • 2015-04-14
    • US11278647
    • 2006-04-04
    • John GrossSimon WalkerFrank FanWei Min Zhu
    • John GrossSimon WalkerFrank FanWei Min Zhu
    • F16M13/00E04H12/22
    • E04H12/2269E04H12/2261
    • A post anchor for securing a support post for a structure comprises a base with four upstanding sidewalls forming a cavity into which a post is inserted, and means to secure the post inside the cavity. Interior ribs and exterior augmented corners resist deformation under pressure exerted by the post. Interior channels allow water to drain from inside the cavity toward a drain hole. The anchor post is slightly elevated relative to the ground, allowing air and water to circulate around the post and post anchor. The post anchor is made of a thermoplastic polymer which is given a textured surface, and may include an ultraviolet protection additive.
    • 用于固定用于结构的支撑柱的支柱锚固件包括具有四个直立侧壁的底座,其形成有一个柱体插入其中的空腔,以及将柱固定在空腔内的装置。 内部肋骨和外部增强角抵抗由柱施加的压力下的变形。 内部通道允许水从腔体内排出到排水孔。 锚柱相对于地面略微升高,允许空气和水在柱子和柱锚之间循环。 后锚由热塑性聚合物制成,其被赋予纹理表面,并且可以包括紫外线防护添加剂。