| 摘要 |
PROBLEM TO BE SOLVED: To provide a micro-bubble generator which is compact and is constituted inexpensively. SOLUTION: The micro-bubble generator 10 comprises: an oil pan 50d provided on an engine 30 to store an oil; a lubrication passage 134 to feed oil to a lubrication object; an oil pump 80 to suck oil from the oil pan 50d to be fed to the lubrication passage 134; an introducing conduit 100 to introduce oil to an inflow port to the oil pump 80; an air conduit 102 connected to the introducing conduit 100 at one end, and opened as an air intake port 102a at the other end; and a bubble generating orifice 106 provided on an output side conduit 104 of the oil pump 80. On a connection part of the air conduit 102 to the introducing conduit 100, an air quantity regulating orifice 108 is provided. COPYRIGHT: (C)2009,JPO&INPIT
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