SCROLL COMPRESSOR

• Main Author: SATA KENICHI
• Format: Patent
• Language: English; Japanese
• Published: 08.06.2015
• Subjects: 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

PROBLEM TO BE SOLVED: To prevent a lubricating failure by sufficiently supplying lubricating oil to a sliding part, when a movable scroll is upset.SOLUTION: One of a fixed scroll (21) and a movable scroll (22) has oil supply grooves (42, 52) which open to thrust sliding faces (21c, 22c) having slide contact with the other of the fixed scroll (21) and the movable scroll (22) and extend in the peripheral direction of a compression mechanism (20). In the oil supply grooves (42, 52), restriction members (43, 53) having a number of minute passages for lubricating oil to pass therethrough are provided for partitioning the oil supply grooves (42, 52) into first oil supply spaces (44, 54) located on the sides of bottom faces (42a, 52a) of the oil supply grooves (42, 52) and communicated with oil supply passages (40, 50) and second oil supply spaces (45, 55) located on the sides of opening parts (42b, 52b) of the oil supply grooves (42, 52) for the lubricating oil passing through the minute passages to flow thereinto, respectively. 【課題】可動スクロールが転覆した場合でも、摺動部に潤滑油を十分に供給して潤滑不良を防止する。【解決手段】固定スクロール（21）と可動スクロール（22）との一方には、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）に開口して圧縮機構（20）の周方向に延びる給油溝（42,52）が形成されている。そして、潤滑油が通過可能な多数の微小通路が形成されると共に給油溝（42,52）に設けられ、給油溝（42,52）を、給油溝（42,52）の底面（42a,52a）側に位置して給油通路（40,50）に連通する第１給油空間（44,54）と、給油溝（42,52）の開口部（42b,52b）側に位置して微小通路を通過した潤滑油が流入する第２給油空間（45,55）とに仕切る絞り部材（43,53）を備えている。【選択図】図３