JPS61138878U - - Google Patents
Info
- Publication number
- JPS61138878U JPS61138878U JP2294985U JP2294985U JPS61138878U JP S61138878 U JPS61138878 U JP S61138878U JP 2294985 U JP2294985 U JP 2294985U JP 2294985 U JP2294985 U JP 2294985U JP S61138878 U JPS61138878 U JP S61138878U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum pump
- rotors
- pair
- rotary
- drive 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.)
- Pending
Links
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
第１図は本考案実施例に係る真空ポンプの構造
を示す断面図、第２図は従来の真空ポンプの構造
を示す断面図である。
２１…モータ（駆動源）、２３…回転駆動軸、
２４…往復動式真空ポンプ、２６…駆動ギヤ、２
７…ピストン、２９，３０…ピストン、３５…回
転式ピストン、３８…雄ロータ、３９…雌ロータ
、４７…従動ギヤ。
FIG. 1 is a sectional view showing the structure of a vacuum pump according to an embodiment of the present invention, and FIG. 2 is a sectional view showing the structure of a conventional vacuum pump. 21...Motor (drive source), 23...Rotation drive shaft,
24... Reciprocating vacuum pump, 26... Drive gear, 2
7... Piston, 29, 30... Piston, 35... Rotary piston, 38... Male rotor, 39... Female rotor, 47... Driven gear.
Claims (1)
体を吸引する回転式真空ポンプと、 該回転式真空ポンプから吐出される気体を吸引
する往復動式真空ポンプとから成り、 前記一対のロータのうちいずれか一方のロータ
に設けた従動ギヤを、駆動源に連結する回転駆動
軸に設けた駆動ギヤに噛合させ、前記往復動式真
空ポンプの連接棒を前記一対のロータのうちの他
方又は該回転駆動軸のいずれかに取付けたことを
特徴とする真空ポンプ。[Scope of claim for utility model registration] From a rotary vacuum pump that suctions gas by a pair of rotors rotating together, and a reciprocating vacuum pump that suctions gas discharged from the rotary vacuum pump. A driven gear provided on one of the pair of rotors is meshed with a drive gear provided on a rotary drive shaft connected to a drive source, and a connecting rod of the reciprocating vacuum pump is connected to the pair of rotors. A vacuum pump characterized in that it is attached to either the other of the rotors or the rotary drive shaft.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294985U JPS61138878U (en) | 1985-02-20 | 1985-02-20 | |
| US06/724,284 US4662826A (en) | 1984-04-20 | 1985-04-17 | Vacuum pump system including serially connected rotary and reciprocating vacuum pumps |
| DE19853514317 DE3514317A1 (en) | 1984-04-20 | 1985-04-19 | VACUUM PUMP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294985U JPS61138878U (en) | 1985-02-20 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61138878U true JPS61138878U (en) | 1986-08-28 |
Family
ID=30515727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2294985U Pending JPS61138878U (en) | 1984-04-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61138878U (en) |
-
1985
- 1985-02-20 JP JP2294985U patent/JPS61138878U/ja active Pending