JPH0379066U - - Google Patents

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Publication number
JPH0379066U
JPH0379066U JP13725889U JP13725889U JPH0379066U JP H0379066 U JPH0379066 U JP H0379066U JP 13725889 U JP13725889 U JP 13725889U JP 13725889 U JP13725889 U JP 13725889U JP H0379066 U JPH0379066 U JP H0379066U
Authority
JP
Japan
Prior art keywords
tube
cooler
vacuum pump
cooling
cooling tube
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
JP13725889U
Other languages
Japanese (ja)
Other versions
JPH0749241Y2 (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 JP13725889U priority Critical patent/JPH0749241Y2/en
Publication of JPH0379066U publication Critical patent/JPH0379066U/ja
Application granted granted Critical
Publication of JPH0749241Y2 publication Critical patent/JPH0749241Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

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

第１図は本考案の一実施例としての多段真空ポ
ンプ用の冷却器の断面図、第２図ａ，ｂ，ｃは第
１図におけるチユーブとチユーブプレートの接合
部の詳細図、第３図は本考案の他の実施例として
の多段真空ポンプ用の冷却器の断面図、第４図は
本考案のさらに他の実施例としての多段真空ポン
プ用の冷却器で、第５図は第４図のＶ−Ｖ断面図
であり、第６図は一般的な内部逆流方式の多段真
空ポンプの断面図、第７図は従来形の冷却器の断
面図、第８図ａ，ｂ，ｃは第７図の冷却器におけ
る冷却チユーブとチユーブプレートの接合部の詳
細図である。 符号の説明、１，１′…ヘツダ、２…シエル、
３…チユーブプレート、３１，３１′…ヘツダ側
チユーブプレート、３２，３２′…シエル側チユ
ーブプレート、４…冷却チユーブ、５…入口ノズ
ル、６…出口ノズル、７…冷却水流出口、８…冷
却水流入口、９…仕切板、３５…クランプ継手、
１０１…軸、１０２，１０２′，１０２″…各ポ
ンプ区分のロータ、１０３，１０３′，１０３″
…各ポンプ区分の吸込口、１０４，１０４′，１
０４″…各ポンプ区分の吐出口、１０５，１０５
′，１０５″…各ポンプ区分の連結管路、１０６
，１０６′，１０６″…各ポンプ区分の冷却器、
１０７，１０７′，１０７″…各ポンプ区分の逆
流管路、１０８…タイミングギヤ、１０９，１０
９′…軸受。 Figure 1 is a sectional view of a cooler for a multi-stage vacuum pump as an embodiment of the present invention, Figures 2 a, b, and c are detailed views of the joint between the tube and tube plate in Figure 1, and Figure 3. 4 is a sectional view of a cooler for a multistage vacuum pump as another embodiment of the present invention, FIG. 4 is a sectional view of a cooler for a multistage vacuum pump as yet another embodiment of the present invention, and FIG. Figure 6 is a cross-sectional view of a general internal backflow type multi-stage vacuum pump, Figure 7 is a cross-sectional view of a conventional cooler, and Figures 8 a, b, and c are FIG. 8 is a detailed view of the joint between the cooling tube and tube plate in the cooler of FIG. 7; Explanation of symbols, 1, 1'...header, 2...shell,
3...Tube plate, 31, 31'...Header side tube plate, 32, 32'...Shell side tube plate, 4...Cooling tube, 5...Inlet nozzle, 6...Outlet nozzle, 7...Cooling water outlet, 8...Cooling water flow Inlet, 9...partition plate, 35...clamp joint,
101...Shaft, 102, 102', 102''...Rotor of each pump section, 103, 103', 103''
...Suction port of each pump section, 104, 104', 1
04″…Discharge port of each pump section, 105, 105
', 105''...Connection pipe for each pump section, 106
, 106', 106''...cooler for each pump section,
107, 107', 107''...Reverse flow line for each pump section, 108...Timing gear, 109, 10
9'...Bearing.

Claims (1)

【実用新案登録請求の範囲】 １ 多段真空ポンプの配管系冷却装置用として用
いられ冷却チユーブがシエルに包囲される構造を
もつ多段真空ポンプ用冷却器であつて、シエルの
両端にあり、複数個の冷却チユーブを固定するチ
ユーブプレートを２枚の構造とし、１枚のチユー
ブプレートはヘツダ側に他方のチユーブプレート
はシエル側に分離設置し、２枚のチユーブプレー
ト間に隔離空間部分を形成させ、冷却チユーブの
一部を外部に露出させたことを特徴とする多段真
空ポンプ用冷却器。 ２ 該冷却器の冷却チユーブが往路復路の２個の
ガス通路を有する形式のものである、請求項１記
載の多段真空ポンプ用冷却器。 ３ 該ヘツダのフランジとヘツダ側チユーブプレ
ートの間にクランプ継手等の形状をした継手が用
いられ、冷却器がヘツダ部と冷却チユーブ及びシ
エル構造部の２つの部分に容易に分割可能である
、請求項２に記載の多段真空ポンプ用冷却器。[Claims for Utility Model Registration] 1. A cooler for a multi-stage vacuum pump that is used for a piping system cooling device of a multi-stage vacuum pump and has a structure in which a cooling tube is surrounded by a shell, which is located at both ends of the shell and has a plurality of cooling tubes. The tube plate for fixing the cooling tube of the cooling tube has a structure of two pieces, one tube plate is installed separately on the header side and the other tube plate is installed on the shell side, and an isolated space is formed between the two tube plates, A multi-stage vacuum pump cooler characterized by having a part of the cooling tube exposed to the outside. 2. The multi-stage vacuum pump cooler according to claim 1, wherein the cooling tube of the cooler has two gas passages, one for an outward passage and the other for a return passage. 3. A claim in which a joint in the form of a clamp joint or the like is used between the flange of the header and the tube plate on the header side, and the cooler can be easily divided into two parts: the header part, the cooling tube, and the shell structure part. Item 2. The multistage vacuum pump cooler according to item 2.
JP13725889U 1989-11-29 1989-11-29 Cooler for multi-stage vacuum pump Expired - Fee Related JPH0749241Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13725889U JPH0749241Y2 (en) 1989-11-29 1989-11-29 Cooler for multi-stage vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13725889U JPH0749241Y2 (en) 1989-11-29 1989-11-29 Cooler for multi-stage vacuum pump

Publications (2)

Publication Number Publication Date
JPH0379066U true JPH0379066U (en) 1991-08-12
JPH0749241Y2 JPH0749241Y2 (en) 1995-11-13

Family

ID=31684421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13725889U Expired - Fee Related JPH0749241Y2 (en) 1989-11-29 1989-11-29 Cooler for multi-stage vacuum pump

Country Status (1)

Country Link
JP (1) JPH0749241Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2677368A1 (en) * 2017-01-31 2018-08-01 Valeo Térmico, S. A. METHOD FOR THE MANUFACTURE OF A HEAT EXCHANGER FOR GASES AND HEAT EXCHANGER FOR GASES MANUFACTURED WITH THE METHOD (Machine-translation by Google Translate, not legally binding)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000213425A (en) * 1999-01-20 2000-08-02 Hino Motors Ltd Egr cooler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2677368A1 (en) * 2017-01-31 2018-08-01 Valeo Térmico, S. A. METHOD FOR THE MANUFACTURE OF A HEAT EXCHANGER FOR GASES AND HEAT EXCHANGER FOR GASES MANUFACTURED WITH THE METHOD (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
JPH0749241Y2 (en) 1995-11-13

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