JPH0321584U

JPH0321584U -

Info

Publication number: JPH0321584U
Application number: JP8178889U
Authority: JP
Priority date: 1989-07-12
Filing date: 1989-07-12
Publication date: 1991-03-04

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示しており、第１図
はスクロール型流体装置の縦断面図、第２図は軸
受手段及びシール手段を示す拡大断面図である。１……スクロール型流体装置、２……ケーシン
グ、３……クランク軸、４……固定スクロール、
５……旋回スクロール、７……軸受手段、８……
シール手段、２１……本体部、２５……軸孔、４
１，５１……鏡板、４２，５２……ラツプ、７２
……組合せアンギユラ玉軸受、８１……磁気シー
ル。 The drawings show an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view of a scroll-type fluid device, and FIG. 2 is an enlarged sectional view showing bearing means and sealing means. 1...Scroll type fluid device, 2...Casing, 3...Crankshaft, 4...Fixed scroll,
5... Orbiting scroll, 7... Bearing means, 8...
Sealing means, 21... Main body, 25... Shaft hole, 4
1,51... End plate, 42,52... Wrap, 72
...Combination angular ball bearing, 81...Magnetic seal.

Claims

[Claims for Utility Model Registration] (1) A spiral wrap is erected on the front side of a head plate, a fixed scroll is fixed to a casing, and a spiral wrap is erected on the front side of the head plate, A drive shaft rotatably inserted into the casing is provided with an orbiting scroll connected to the rear surface of the end plate, and the fixed scroll and the orbiting scroll are arranged side by side with their laps engaged with each other, and the orbiting scroll is connected to the fixed scroll. In a scroll-type fluid device that is configured to revolve without rotating on its own axis, the main body of the casing that extends toward the rear side of the orbiting scroll end plate is provided with an axial hole for the drive shaft in the center, and a An angular contact ball bearing is fitted into the angular contact ball bearing, and the drive shaft is fitted into and supported by the angular contact ball bearing, and a preload means is provided for applying a preload in a thrust direction to the angular contact ball bearing. Scroll type fluid device. (2) In the scroll-type fluid device according to claim (1), the shaft hole of the casing is provided with a magnetic seal that blocks communication between the back side of the end plate of the orbiting scroll and the combination angular ball bearing. A scroll-type fluid device characterized by: