JPH0239588U - - Google Patents
Info
- Publication number
- JPH0239588U JPH0239588U JP11755488U JP11755488U JPH0239588U JP H0239588 U JPH0239588 U JP H0239588U JP 11755488 U JP11755488 U JP 11755488U JP 11755488 U JP11755488 U JP 11755488U JP H0239588 U JPH0239588 U JP H0239588U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- roots
- type pump
- gear
- rotor shaft
- 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.)
- Granted
Links
Description
第１図〜第６図は本考案の第一実施例を示し、
第１図は第５図の部拡大図、第２図ａは歯車の
要部断面図、第２図ｂは第３図の−断面図、
第３図はブツシユの正面図、第４図はブツシユの
側面図、第５図はルーツ型ポンプの断面図、第６
図は第５図の−断面図、第７図は本考案の第
二実施例による第１図相当の断面図、第８図〜第
１０図は本考案の第三実施例を示し、第８図は第
１図相当の断面図、第９図はは歯車の要部断面図
、第１０図ａはロータシヤフトの要部側面図、第
１０図ｂはブツシユの側面図である。
１……ロータハウジング、３，４……ロータ、
５，６……ロータシヤフト、１０，１１……歯車
、１２……ブツシユ。
1 to 6 show a first embodiment of the present invention,
Fig. 1 is an enlarged view of the part in Fig. 5, Fig. 2a is a sectional view of the main part of the gear, Fig. 2b is a - sectional view of Fig. 3,
Figure 3 is a front view of the bushing, Figure 4 is a side view of the bushing, Figure 5 is a sectional view of the roots type pump, and Figure 6 is a sectional view of the roots type pump.
The figure is a cross-sectional view of FIG. 5, FIG. 7 is a cross-sectional view corresponding to FIG. 9 is a sectional view of the main part of the gear, FIG. 10a is a side view of the main part of the rotor shaft, and FIG. 10b is a side view of the bush. 1... Rotor housing, 3, 4... Rotor,
5, 6... rotor shaft, 10, 11... gear, 12... bush.
Claims (1)
各々軸支するロータシヤフトが歯車を介して互い
に連設されているルーツ型ポンプにおいて、前記
ロータシヤフトと、このロータシヤフトに挿通さ
れる前記歯車との間に断面楔状のブツシユが圧入
されていることを特徴とするルーツ型ポンプ。 In a Roots-type pump in which rotor shafts each supporting a pair of rotors housed in a rotor housing are connected to each other via a gear, there is a gap between the rotor shaft and the gear inserted through the rotor shaft. A roots-type pump characterized by a press-fitted bushing with a wedge-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988117554U JPH0746783Y2 (en) | 1988-09-06 | 1988-09-06 | Roots type pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988117554U JPH0746783Y2 (en) | 1988-09-06 | 1988-09-06 | Roots type pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0239588U true JPH0239588U (en) | 1990-03-16 |
| JPH0746783Y2 JPH0746783Y2 (en) | 1995-10-25 |
Family
ID=31361115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988117554U Expired - Lifetime JPH0746783Y2 (en) | 1988-09-06 | 1988-09-06 | Roots type pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746783Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5344979A (en) * | 1976-10-04 | 1978-04-22 | Agency Of Ind Science & Technol | Method of correcting in process errors of guideway for machine tools |
| JPH01167483A (en) * | 1987-12-23 | 1989-07-03 | Hitachi Ltd | Oil-free screw compressor |
-
1988
- 1988-09-06 JP JP1988117554U patent/JPH0746783Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5344979A (en) * | 1976-10-04 | 1978-04-22 | Agency Of Ind Science & Technol | Method of correcting in process errors of guideway for machine tools |
| JPH01167483A (en) * | 1987-12-23 | 1989-07-03 | Hitachi Ltd | Oil-free screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746783Y2 (en) | 1995-10-25 |
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