SCROLL COMPRESSOR
PROBLEM TO BE SOLVED: To quickly reset a movable scroll from an upset state into an original state when upset, while sufficiently suppressing the leakage of lubricating oil from oil supply grooves.SOLUTION: One of a fixed scroll (21) and a movable scroll (22) has oil supply grooves (46, 56) which op...
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Format | Patent |
Language | English Japanese |
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08.06.2015
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Abstract | PROBLEM TO BE SOLVED: To quickly reset a movable scroll from an upset state into an original state when upset, while sufficiently suppressing the leakage of lubricating oil from oil supply grooves.SOLUTION: One of a fixed scroll (21) and a movable scroll (22) has oil supply grooves (46, 56) which open to thrust sliding faces (21c, 22c) having slide contact with the other of the fixed scroll (21) and the movable scroll (22) for lubricating oil to flow thereinto, and oil supply passages (40, 50) which supply high pressure lubricating oil to the oil supply groove (46). In the exits of the oil supply passages (40, 50), opening/closing valves (41, 51) are provided having valve elements (42, 52), respectively. The opening/closing valves (41, 51) open when the valve elements (42, 52) abut on the thrust sliding faces (21c, 22c) of the other of the fixed scroll (21) and the movable scroll (22), while they close when the valve elements (42, 52) depart from the thrust sliding faces (21c, 22c) of the other of the fixed scroll (21) and the movable scroll (22), respectively.
【課題】転覆が生じた場合に、給油溝からの潤滑油の漏れを十分に抑制すると共に、可動スクロールを転覆状態から元の状態に速やかに復帰させる。【解決手段】固定スクロール(21)と可動スクロール(22)との一方に、固定スクロール(21)と可動スクロール(22)との他方と摺接するスラスト摺動面(21c,22c)に開口して潤滑油が流入する給油溝(46,56)と、給油溝(46)に高圧の潤滑油を供給するための給油通路(40,50)とを形成する。給油通路(40,50)の出口に、弁体(42,52)を有する開閉弁(41,51)を設ける。開閉弁(41,51)は、弁体(42,52)が固定スクロール(21)と可動スクロール(22)との他方のスラスト摺動面(21c,22c)に当接すると開く一方、弁体(42,52)が固定スクロール(21)と可動スクロール(22)との他方のスラスト摺動面(21c,22c)から離れると閉じる。【選択図】図2 |
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AbstractList | PROBLEM TO BE SOLVED: To quickly reset a movable scroll from an upset state into an original state when upset, while sufficiently suppressing the leakage of lubricating oil from oil supply grooves.SOLUTION: One of a fixed scroll (21) and a movable scroll (22) has oil supply grooves (46, 56) which open to thrust sliding faces (21c, 22c) having slide contact with the other of the fixed scroll (21) and the movable scroll (22) for lubricating oil to flow thereinto, and oil supply passages (40, 50) which supply high pressure lubricating oil to the oil supply groove (46). In the exits of the oil supply passages (40, 50), opening/closing valves (41, 51) are provided having valve elements (42, 52), respectively. The opening/closing valves (41, 51) open when the valve elements (42, 52) abut on the thrust sliding faces (21c, 22c) of the other of the fixed scroll (21) and the movable scroll (22), while they close when the valve elements (42, 52) depart from the thrust sliding faces (21c, 22c) of the other of the fixed scroll (21) and the movable scroll (22), respectively.
【課題】転覆が生じた場合に、給油溝からの潤滑油の漏れを十分に抑制すると共に、可動スクロールを転覆状態から元の状態に速やかに復帰させる。【解決手段】固定スクロール(21)と可動スクロール(22)との一方に、固定スクロール(21)と可動スクロール(22)との他方と摺接するスラスト摺動面(21c,22c)に開口して潤滑油が流入する給油溝(46,56)と、給油溝(46)に高圧の潤滑油を供給するための給油通路(40,50)とを形成する。給油通路(40,50)の出口に、弁体(42,52)を有する開閉弁(41,51)を設ける。開閉弁(41,51)は、弁体(42,52)が固定スクロール(21)と可動スクロール(22)との他方のスラスト摺動面(21c,22c)に当接すると開く一方、弁体(42,52)が固定スクロール(21)と可動スクロール(22)との他方のスラスト摺動面(21c,22c)から離れると閉じる。【選択図】図2 |
Author | SATA KENICHI |
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RelatedCompanies | DAIKIN IND LTD |
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Snippet | PROBLEM TO BE SOLVED: To quickly reset a movable scroll from an upset state into an original state when upset, while sufficiently suppressing the leakage of... |
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SubjectTerms | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
Title | SCROLL COMPRESSOR |
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