JPS6298791U - - Google Patents

Info

Publication number
JPS6298791U
JPS6298791U JP19154285U JP19154285U JPS6298791U JP S6298791 U JPS6298791 U JP S6298791U JP 19154285 U JP19154285 U JP 19154285U JP 19154285 U JP19154285 U JP 19154285U JP S6298791 U JPS6298791 U JP S6298791U
Authority
JP
Japan
Prior art keywords
exhaust port
oil
box
cylinder
rotor
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
Application number
JP19154285U
Other languages
Japanese (ja)
Other versions
JPH032717Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP19154285U priority Critical patent/JPH032717Y2/ja
Publication of JPS6298791U publication Critical patent/JPS6298791U/ja
Application granted granted Critical
Publication of JPH032717Y2 publication Critical patent/JPH032717Y2/ja
Expired legal-status Critical Current

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  • Rotary Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの考案の一実施例を示す断面図、第
2図はその―線における断面図、第3図は従
来装置の断面図、第4図はその―線における
断面図である。 図において、1はボツクス、2,7は吸気口、
3,8は排気口、50はシリンダ、11はロータ
、11aは端面、11bは円周溝、11cは凹部
、12はベーン、4a,6aは内壁である。なお
、各図中同一符号は同一、又は相当部分を示す。
FIG. 1 is a cross-sectional view showing an embodiment of this invention, FIG. 2 is a cross-sectional view taken along the line, FIG. 3 is a cross-sectional view of a conventional device, and FIG. 4 is a cross-sectional view taken along the line. In the figure, 1 is a box, 2 and 7 are intake ports,
3 and 8 are exhaust ports, 50 is a cylinder, 11 is a rotor, 11a is an end face, 11b is a circumferential groove, 11c is a recessed portion, 12 is a vane, and 4a and 6a are inner walls. Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第1の吸気口と第1の排気口とを有し、油が封
入されたボツクス、このボツクス内で上記油に浸
漬され、上記第1の吸気口と連通した第2の吸気
口と、上記第1の排気口と上記ボツクス内の空間
を介して連通した第2の排気口とを有するシリン
ダ、及びこのシリンダ内で容積変化を生じさせ上
記第2の吸気口からの空気を上記第2の排気口へ
排出するベーンを有し、上記シリンダに回転自在
に支承され、端面が上記シリンダの内壁を摺動す
るロータを備え、上記ロータの端面には円周溝を
形成し、この円周溝に一致して上記ロータの重心
アンバランスを修正する角度位置に油だめ用の凹
部を形成したことを特徴とする油回転真空ポンプ
a box having a first intake port and a first exhaust port and filled with oil; a second intake port immersed in the oil within the box and communicating with the first intake port; a cylinder having a first exhaust port and a second exhaust port communicating with each other through a space in the box; The rotor has a vane for discharging the air to the exhaust port, is rotatably supported by the cylinder, and has an end surface that slides on the inner wall of the cylinder. A circumferential groove is formed on the end surface of the rotor, and the circumferential groove An oil rotary vacuum pump characterized in that a recess for an oil sump is formed at an angular position that corresponds to the above-mentioned rotor's unbalanced center of gravity.
JP19154285U 1985-12-12 1985-12-12 Expired JPH032717Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19154285U JPH032717Y2 (en) 1985-12-12 1985-12-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19154285U JPH032717Y2 (en) 1985-12-12 1985-12-12

Publications (2)

Publication Number Publication Date
JPS6298791U true JPS6298791U (en) 1987-06-23
JPH032717Y2 JPH032717Y2 (en) 1991-01-24

Family

ID=31145778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19154285U Expired JPH032717Y2 (en) 1985-12-12 1985-12-12

Country Status (1)

Country Link
JP (1) JPH032717Y2 (en)

Also Published As

Publication number Publication date
JPH032717Y2 (en) 1991-01-24

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