JPH0161481U - - Google Patents
Info
- Publication number
- JPH0161481U JPH0161481U JP6853688U JP6853688U JPH0161481U JP H0161481 U JPH0161481 U JP H0161481U JP 6853688 U JP6853688 U JP 6853688U JP 6853688 U JP6853688 U JP 6853688U JP H0161481 U JPH0161481 U JP H0161481U
- Authority
- JP
- Japan
- Prior art keywords
- curve
- arc
- scroll
- radius
- spiral body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rotary Pumps (AREA)
Description
第1図は本考案に係るスクロールの要部を示す
図、第2図は同じくスクロールを使用したスクロ
ール真空ポンプを示す断面図、第3図はこの考案
の他の実施例を示す要部断面図、第4図は従来の
スクロールをスクロール圧縮機に使用した場合の
動作原理図である。
29……駆動側のスクロール、29b……突起
体、42……従動側のスクロール、42b……突
起体、91……切欠き、a……外側曲線、b……
内側曲線、c……円弧。
Fig. 1 is a diagram showing the main parts of a scroll according to the present invention, Fig. 2 is a sectional view showing a scroll vacuum pump using the same scroll, and Fig. 3 is a sectional view of main parts showing another embodiment of the invention. , FIG. 4 is a diagram showing the principle of operation when a conventional scroll is used in a scroll compressor. 29...Scroll on driving side, 29b...Protrusion, 42...Scroll on driven side, 42b...Protrusion, 91...Notch, a...Outside curve, b...
Inner curve, c...circular arc.
Claims (1)
Rの円弧とインボリユート曲線を有する内側曲線
と、この内側曲線の円弧と前記外側曲線を滑らか
に接続する半径rの円弧とからなるスクロール真
空ポンプ用の渦巻体であつて、この渦巻体の巻き
始め端部に切欠きを形成したことを特徴とするス
クロール。 A spiral body for a scroll vacuum pump consisting of an outer curve having an involute curve, an inner curve having an arc of radius R and an involute curve, and an arc of radius r smoothly connecting the arc of the inner curve and the outer curve. A scroll characterized in that a notch is formed at the winding start end of the spiral body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6853688U JPH0161481U (en) | 1987-06-26 | 1988-05-23 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9904587 | 1987-06-26 | ||
JP6853688U JPH0161481U (en) | 1987-06-26 | 1988-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0161481U true JPH0161481U (en) | 1989-04-19 |
Family
ID=31718371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6853688U Pending JPH0161481U (en) | 1987-06-26 | 1988-05-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0161481U (en) |
-
1988
- 1988-05-23 JP JP6853688U patent/JPH0161481U/ja active Pending
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