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    • 7. 发明专利
    • Ring filter
    • JP4904462B2
    • 2012-03-28
    • JP2005223446
    • 2005-08-01
    • シェフラー テクノロジーズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトSchaeffler Technologies GmbH & Co. KG
    • ハインツェン ディルクメイヤー ロジャー
    • B01D29/11B01D29/13F01L1/34F01M1/06F01M11/03
    • F01L1/3442B01D29/014B01D29/018B01D29/055B01D29/112F01L1/024F01L1/344F01L2001/3444
    • A ring filter (1) comprises a filter section (2) encircling the ring filter in the circumferential direction, the filter section having axial front faces; and a frame (3) comprising at least two first frame elements (5), which bound the axial front faces of the filter section. The shape of the filter section in the longitudinal section deviates from a straight line. Independent claims are also included for the following: (i) a ring filter for use in a rotary transmission for the filtration of hydraulic medium, comprising a rotary transmission including a bearing shell on a cylinder head and a camshaft in the bearing shell; the bearing shell having an inner circumferential surface; an annular groove into the inner circumferential surface of the bearing shell, and the groove communicating with a pressure medium line in the cylinder head and with at least one opening in the camshaft; a filter section encircling the ring filter in the circumferential direction, the filter section having axial front faces; a frame comprising at least two first frame elements, which bound the axial front faces of the filter section and are connected to them, where the ring filter is arranged within the annular groove in the rotary transmission lead through for pressure medium between the camshaft and the bearing shell formed on the cylinder head; and (ii) a ring filter for use in a rotary transmission for the filtration of hydraulic medium, comprising: a rotary transmission including a bearing shell on a cylinder head and a camshaft in the bearing shell; a camshaft having an outer circumferential surface, an annular groove into the outer circumferential surface of the camshaft, the groove communicating with a pressure medium line in a cylinder head and with at least one opening in the camshaft; a filter section encircling the ring filter in the circumferential direction, the filter section having axial front faces; a frame comprising at least two first frame elements, which bound the axial front faces of the filter section and are connected to them, where the ring filter is arranged within the annular groove in the rotary transmission lead through for pressure medium between the camshaft and the bearing shell formed on the cylinder head.