Abstract:
Eine Filtereinrichtung (1), insbesondere zur Flüssigkeitsfilterung in Brennkraftmaschinen, weist ein in Radialrichtung zu durchströmendes Filterelement (4) in einem Filtergehäuse (2) auf, das von einer Deckelscheibe zu verschließen ist. Die Deckelscheibe besteht aus zwei Einzelscheiben (6, 7), die über einen zentralen Strömungsstutzen (8) verbunden sind, wobei die beiden Einzelscheiben (6, 7) und der Strömungsstutzen (8) ein gemeinsames Kunststoff-Bauteil bilden.
Abstract:
A fuel filter (130) includes a housing (132, 133) enclosing a filter element (140) in surrounding relation to a fuel pump (150). A diverter plate (214) assembly supported in the housing (132, 133) in sealing relation with one of the housing portions (132), the pump (150) and the filter element (140), includes a bypass valve (212) with a ball member (256). The bypass valve (212) is normally closed when the pump (150) is operational, and flow passes from the inlet (136), through the filter element (140), and through the pump (150) to the outlet (137). The bypass valve (212) opens when the pump is not operational, and flow passes from the inlet (136) through the filter element (140), and then directly to the outlet (137), bypassing the fuel pump (150). The diverter plate (214) includes a segmented collar (222) that couples the plate (214) to one of the housing portions (132); a lip seal (239) sealing to the pump (150); an outer rim (228) that seals to the housing (132); and an annular flange (238) that seals to the filter element (140).
Abstract:
A fuel filter includes a housing and a pipe in the housing. The pipe includes a central flow passage, an opening along the length of the pipe into the passage, and an exterior groove. A latch device with discrete fingers closely surrounds the pipe and is engageable with the groove to prevent the latch device from moving axially along the pipe. The latch device has an annular sleeve, radially-outwardly spaced from the fingers. A valve device surrounds the pipe and has a sleeve normally covering the pipe opening in the pipe. A filter element has an end cap with thin, flat keys. The keys project through the slots in the valve device and engage the sleeve of the latch device to unlock the latch device from the pipe, and also engage and move the valve device to uncover the opening in the pipe, when the filter element is inserted into the housing.