公开(公告)号：US4442004A

公开(公告)日：1984-04-10

申请号：US394195

申请日：1982-07-01

申请人： Zan P. Smith ,  Frank Haimbach, IV

发明人： Zan P. Smith ,  Frank Haimbach, IV

IPC分类号： B01D29/11 ,  B01D29/32

CPC分类号： B01D29/111 ,  B01D2201/0438

摘要： The present invention relates to a biasing arrangement for use with a filter element having a longitudinal bore therethrough. The biasing arrangement includes a spring element having first and second ends and being comprised of a plastic material. The spring element is deformable by pressure applied in the direction generally along an axis extending between the first and second ends. A sealing disk is adapted to seal an end of the longitudinal bore of the filter element. The sealing disk is also comprised of a plastic material and is positively secured to an end of the spring element. According to a further aspect of the present invention, the sealing disk is positively secured to an end of the filter element to define an integral filter unit. In the preferred embodiment, the spring element, the sealing disk, and the filter element are all comprised of compatible plastic materials. In accordance with a further aspect of the present invention, the spring element has a non-linear load/deflection characteristic such that a large force is obtained during initial deflection followed by a substantially constant force upon further deflection.

摘要翻译： 本发明涉及一种用于具有穿过其中的纵向孔的过滤元件的偏置装置。 偏压装置包括具有第一和第二端并由塑料材料构成的弹簧元件。 弹簧元件可以通过沿着大致沿着在第一和第二端之间延伸的轴线的方向施加的压力而变形。 密封盘适于密封过滤元件的纵向孔的端部。 密封盘还包括塑料材料，并且被牢固地固定到弹簧元件的端部。 根据本发明的另一方面，密封盘被牢固地固定到过滤元件的端部以限定一体式过滤器单元。 在优选实施例中，弹簧元件，密封盘和过滤元件都由兼容的塑料材料构成。 根据本发明的另一方面，弹簧元件具有非线性负载/偏转特性，使得在初始偏转期间获得大的力，随后在进一步偏转时获得基本恒定的力。