JPH05296612A - Full liquid type cooler - Google Patents
Full liquid type coolerInfo
- Publication number
- JPH05296612A JPH05296612A JP4104475A JP10447592A JPH05296612A JP H05296612 A JPH05296612 A JP H05296612A JP 4104475 A JP4104475 A JP 4104475A JP 10447592 A JP10447592 A JP 10447592A JP H05296612 A JPH05296612 A JP H05296612A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- shell
- partition plate
- oil extraction
- partition
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
- F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、横長状のシェル内に多
数の冷却管を配設し、仕切板を介して前記冷却管の長さ
方向中間部を支持している満液式冷却器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid-filled cooler in which a large number of cooling pipes are arranged in a horizontally long shell, and a longitudinally intermediate portion of the cooling pipes is supported by a partition plate. Regarding
【０００２】[0002]
【従来の技術】従来、この種満液式冷却器は、図１３、
１４に示すように、前記横長状のシェルＡ内に、複数の
仕切板Ｂを設けると共に、管板Ｃ、Ｃ間に多数の冷却管
Ｄを配置し、各仕切板Ｂによりこれら冷却管Ｄの長さ方
向中間部を支持し、各冷却管Ｄの上下及び左右間隔を維
持すると共に、前記シェルＡに液冷媒を導入する液管Ｆ
と、該液管Ｆを介して導入する液冷媒と前記冷却管Ｄを
流れる水などの被冷却流体との熱交換で蒸発したガス冷
媒を排出するガス管Ｇとを接続した構造としており、ま
た、前記シェルＡ内に導入された液冷媒層上には潤滑油
の油が分離されて留まることになるが、この油層の油を
抽出するために、前記シェルＡに複数の油抽出管Ｈを、
前記仕切板Ｂにより区画される複数のシェル内室Ｅごと
に接続しているのである。2. Description of the Related Art Conventionally, this type of liquid-filled cooler is shown in FIG.
As shown in FIG. 14, a plurality of partition plates B are provided in the horizontally long shell A, and a large number of cooling pipes D are arranged between the tube plates C, C, and each partition plate B separates these cooling pipes D from each other. A liquid pipe F that supports the middle portion in the length direction, maintains the vertical and horizontal intervals of each cooling pipe D, and introduces a liquid refrigerant into the shell A.
And a gas pipe G for discharging a gas refrigerant evaporated by heat exchange between a liquid refrigerant introduced through the liquid pipe F and a fluid to be cooled such as water flowing through the cooling pipe D, and , The oil of the lubricating oil is separated and stays on the liquid refrigerant layer introduced into the shell A. In order to extract the oil of the oil layer, a plurality of oil extraction pipes H are provided in the shell A. ,
The plurality of shell inner chambers E partitioned by the partition plate B are connected to each other.
【０００３】また、一方、以上のような満液式冷却器に
おいて、前記シェル内の油層から油を抽出するものとし
て、例えば、実公昭５１−２３６３４号公報に示されて
いるように、油抽出管の先端を、前記シェル内に収納す
るフロートに連結し、このフロートの浮沈みにより前記
油層の油を複数の油抽出管を用いることなく抽出できる
ようにしたものも知られている。On the other hand, in the above-mentioned liquid-filled type cooler, for extracting oil from the oil layer in the shell, for example, as shown in Japanese Utility Model Publication No. 51-23634, oil extraction is performed. It is also known that the tip of a pipe is connected to a float accommodated in the shell so that the oil in the oil layer can be extracted by using the float of the float without using a plurality of oil extraction pipes.
【０００４】[0004]
【発明が解決しようとする課題】所が、前者構造は、前
記油抽出管Ｈを、前記シェル内室ごとにそれぞれ油層高
さに合わせて複数設ける構造としているから、油抽出管
は、シェル内室数と油層高さ数とを乗算した多数本必要
とするため構造が複雑となり、多数の油抽出管を接続す
る必要があるためその加工工数も増大して、全体として
コスト高となる問題がある。However, in the former structure, since the plurality of oil extraction pipes H are provided in accordance with the height of the oil layer in each of the shell inner chambers, the oil extraction pipe is formed in the shell. Since a large number of chambers and the number of oil layer heights are required, the structure becomes complicated, and since it is necessary to connect a large number of oil extraction pipes, the processing man-hours increase and the cost increases as a whole. is there.
【０００５】また、一方、前記フロートを用いた後者の
油抽出構造によれば、油抽出管の本数を減少させること
ができるのであるが、反面フロートを用いる必要がある
ため、つまり可動部品を用いるているため保守、点検を
要するだけでなく、前者に比較して充分な油抽出効果が
得られない問題があった。On the other hand, according to the latter oil extraction structure using the float, it is possible to reduce the number of oil extraction pipes, but it is necessary to use the float, that is, the movable parts are used. Therefore, there is a problem that not only maintenance and inspection are required, but also a sufficient oil extraction effect cannot be obtained as compared with the former.
【０００６】しかして、本発明の目的は、仕切板をもっ
た構造であっても油を有効に回収できながら、油抽出管
の配管構造を簡単にできる満液式冷却器を提供する点に
ある。Therefore, an object of the present invention is to provide a liquid-filled cooler which can simplify the piping structure of the oil extraction pipe while effectively recovering the oil even with the structure having the partition plate. is there.
【０００７】尚、本発明は、前記シェルの同一高さ位置
に設ける前記油抽出管の所要本数を少なくするものであ
って、液面の上下変動に対応するために高さ位置を変え
て設ける前記油抽出管の所要本数を少なくするものでは
ない。In the present invention, the required number of the oil extraction pipes provided at the same height position of the shell is reduced, and the height position is changed so as to cope with the vertical fluctuation of the liquid level. This does not reduce the required number of oil extraction pipes.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明では、横長状のシェル１内に、該シェル１の
長さ方向に延びる多数の冷却管４を配設すると共に、仕
切板２を設けて、該仕切板２に前記冷却管４の長さ方向
中間部を支持している満液式冷却器において、前記シェ
ル１の内側に、前記仕切板２を貫通して前記シェル１の
長さ方向に延び、前記シェル１内と区画された油室５を
もった油収集体６を設けて、この油収集体６に、前記仕
切板２を介して隣り合うシェル内室３と連通する油収集
孔７を設けると共に、前記シェル１に前記油室５に開口
する油抽出管８を設けたのである。In order to achieve the above object, in the present invention, a large number of cooling pipes 4 extending in the longitudinal direction of the shell 1 are arranged in a horizontally elongated shell 1 and a partition is provided. In a liquid-filled type cooler in which a plate 2 is provided and the partition plate 2 supports an intermediate portion in the longitudinal direction of the cooling pipe 4, the shell 1 is penetrated through the partition plate 2 inside the shell 1. 1 is provided with an oil collector 6 having an oil chamber 5 which is partitioned from the inside of the shell 1 and extends in the longitudinal direction of the shell 1. The shell inner chamber 3 adjacent to the oil collector 6 via the partition plate 2 is provided. The oil collecting hole 7 communicating with the oil collecting hole 7 is provided, and the oil extracting pipe 8 opening to the oil chamber 5 is provided in the shell 1.
【０００９】また、横長状のシェル１内に、該シェル１
の長さ方向に延びる多数の冷却管４を配設すると共に、
仕切板２を設けて、該仕切板２に前記冷却管４の長さ方
向中間部を支持している満液式冷却器において、前記シ
ェル１の内面に対接する前記仕切板２の周縁部に、該仕
切板２を挟んで隣り合うシェル内室３を連通する切欠部
９を設けると共に、前記シェル１における前記切欠部９
と対向する部位に、前記切欠部９の内面に向かって開口
する油抽出管８を設けるのが好ましい。Further, in the horizontally long shell 1, the shell 1
A large number of cooling pipes 4 extending in the length direction of
In a liquid-filled type cooler in which a partition plate 2 is provided and the partition plate 2 supports an intermediate portion in the lengthwise direction of the cooling pipe 4, the partition plate 2 has a peripheral edge portion that is in contact with the inner surface of the shell 1. A notch 9 is provided for communicating adjacent shell inner chambers 3 with the partition plate 2 sandwiched therebetween, and the notch 9 in the shell 1 is provided.
It is preferable to provide an oil extraction pipe 8 that opens toward the inner surface of the cutout portion 9 at a portion opposite to.
【００１０】また、シェル１は、奇数枚から成る複数の
仕切板２を備え、これら仕切板２のうち、前記シェル１
の長さ方向一側から奇数番目の仕切板２の周縁部に切欠
部９を設け、前記シェル１における前記各切欠部９と対
向する部位に、前記各切欠部９の内面に向かって開口す
る油抽出管８を設けるのが好ましい。Further, the shell 1 is provided with a plurality of partition plates 2 of odd number, and among the partition plates 2, the shell 1
A notch portion 9 is provided in the peripheral edge portion of the odd-numbered partition plate 2 from one side in the length direction, and the shell 1 is opened at a portion facing each notch portion 9 toward the inner surface of each notch portion 9. It is preferable to provide an oil extraction tube 8.
【００１１】更に、仕切板２に設ける切欠部９の内面
に、油抽出管８の開口部に対向する邪魔板１０を設ける
のが一層好ましい。Further, it is more preferable to provide a baffle plate 10 facing the opening of the oil extraction pipe 8 on the inner surface of the notch 9 provided in the partition plate 2.
【００１２】[0012]
【作用】前記仕切板２で区画された各シェル内室３にお
ける油は各油収集孔７を介して前記油室５に流入して合
流するから、前記油抽出管８を各内室３毎に開口させる
ことなく、一本の前記油抽出管８を介して複数のシェル
内室３から油を同時に回収することができる。従って、
前記仕切板２を複数設けた構造であっても油を有効に回
収することができながら、前記油抽出管８の配管構造を
簡単にすることができるのである。The oil in each shell inner chamber 3 partitioned by the partition plate 2 flows into the oil chamber 5 through each oil collection hole 7 and merges therewith, so that the oil extraction pipes 8 are provided for each inner chamber 3 respectively. It is possible to simultaneously recover the oil from the plurality of shell inner chambers 3 via the single oil extraction pipe 8 without opening the same. Therefore,
Even with the structure in which the plurality of partition plates 2 are provided, oil can be effectively recovered, and the piping structure of the oil extraction pipe 8 can be simplified.
【００１３】また、横長状のシェル１内に、該シェル１
の長さ方向に延びる多数の冷却管４を配設すると共に、
仕切板２を設けて、該仕切板２に前記冷却管４の長さ方
向中間部を支持している満液式冷却器において、前記シ
ェル１の内面に対接する前記仕切板２の周縁部に、該仕
切板２を挟んで隣り合うシェル内室３を連通する切欠部
９を設けると共に、前記シェル１における前記切欠部９
と対向する部位に、前記切欠部９の内面に向かって開口
する油抽出管８を設けることにより、前記切欠部９を設
けた前記仕切板２を挟んで隣り合う二つのシェル内室
３、３から一本の前記油抽出管８を介して油を同時に回
収することができ、前記油抽出管８の所要本数は各内室
３の数より少なくできるから、それだけ前記油抽出管８
の配管構造を簡単にすることができるし、また、前記シ
ェル１の内側に長尺の前記油収集体６を設けることなく
簡単な構成により前記油抽出管８の所要本数を少なくで
きる。Further, in the horizontally long shell 1, the shell 1
A large number of cooling pipes 4 extending in the length direction of
In a liquid-filled type cooler in which a partition plate 2 is provided and the partition plate 2 supports an intermediate portion in the lengthwise direction of the cooling pipe 4, the partition plate 2 has a peripheral edge portion that is in contact with the inner surface of the shell 1. A notch 9 is provided for communicating adjacent shell inner chambers 3 with the partition plate 2 sandwiched therebetween, and the notch 9 in the shell 1 is provided.
By providing the oil extraction pipe 8 that opens toward the inner surface of the cutout portion 9 in a region facing the two inner shell chambers 3 and 3 adjacent to each other with the partition plate 2 provided with the cutout portion 9 interposed therebetween. Oil can be simultaneously recovered via one of the oil extraction pipes 8, and the required number of the oil extraction pipes 8 can be less than the number of the inner chambers 3, so that the oil extraction pipes 8
The piping structure can be simplified, and the required number of the oil extraction pipes 8 can be reduced by a simple configuration without providing the elongated oil collector 6 inside the shell 1.
【００１４】また、シェル１に、奇数枚から成る複数の
仕切板２を設け、これら仕切板２のうち、前記シェル１
の長さ方向一側から奇数番目の仕切板２の周縁部に切欠
部９を設け、前記シェル１における前記各切欠部９と対
向する部位に、前記各切欠部９の内面に向かって開口す
る油抽出管８を設ける場合、前記仕切板２が複数枚設け
られているものでありながら、前記切欠部９を設けた前
記仕切板２を介して隣り合う各二つのシェル内室３から
一本の前記油抽出管８を介して油を同時に、かつ、ほゞ
均等に抽出することができるから、前記油抽出管８の所
要本数はシェル内室３の数の半分にできながら各シェル
内室から均等に油の抽出ができ、それだけ前記油抽出管
８の配管構造を簡単にすることができる。Further, the shell 1 is provided with a plurality of odd-numbered partition plates 2, and among the partition plates 2, the shell 1
A notch portion 9 is provided in the peripheral edge portion of the odd-numbered partition plate 2 from one side in the length direction, and the shell 1 is opened at a portion facing each notch portion 9 toward the inner surface of each notch portion 9. When the oil extraction pipe 8 is provided, even if a plurality of the partition plates 2 are provided, one from each two shell inner chambers 3 that are adjacent to each other via the partition plate 2 provided with the cutout portion 9 Since oil can be simultaneously and approximately uniformly extracted through the oil extraction pipes 8 of 1, the number of the oil extraction pipes 8 required is half the number of the shell internal chambers 3 and The oil can be uniformly extracted from the oil, and the piping structure of the oil extraction pipe 8 can be simplified accordingly.
【００１５】更に、仕切板２に設ける切欠部９の内面
に、油抽出管８の開口部に対向する邪魔板１０を設ける
場合、油は前記切欠部９を設けた前記仕切板２を挟んで
隣り合う各２つのシェル内室３、３の中央部に近い液面
からそれぞれ前記邪魔板１０に案内されてから前記油抽
出管８の先端部に流入するから、隣り合う２つのシェル
内室３、３の隅から前記油抽出管８に流入する油が直接
前記油抽出管８の先端部に流入する場合に比較して油を
効率よく回収することができる。Further, when the baffle plate 10 facing the opening of the oil extraction pipe 8 is provided on the inner surface of the cutout portion 9 provided in the partition plate 2, the oil sandwiches the partition plate 2 provided with the cutout portion 9. The two adjacent shell inner chambers 3, 3 are guided by the baffle plate 10 from the liquid surface near the center of each of the two adjacent shell inner chambers 3, and then flow into the tip of the oil extraction pipe 8. The oil can be efficiently recovered as compared with the case where the oil flowing into the oil extracting pipe 8 from the three corners directly flows into the tip portion of the oil extracting pipe 8.
【００１６】[0016]
【実施例】図２、３に示した満液式冷却器は、長さ方向
両端部に管板１１、１１を介装した横長状のシェル１か
ら成るもので、各管板１１、１１間には上端部を切欠い
た仕切板２を所定間隔をあけて２枚配設し、最上部が互
いに連通する複数（図面では３つの）のシェル内室３を
区画形成している。また、各シェル内室３の最下部には
複数の液管１２を接続すると共に、中央のシェル内室３
の最上部にはガス管１３を接続している。The liquid-filled type cooler shown in FIGS. 2 and 3 comprises a horizontally long shell 1 having tube plates 11 and 11 interposed at both ends in the longitudinal direction. Two partition plates 2 each having a notched upper end are arranged at a predetermined interval, and a plurality (three in the drawing) of shell inner chambers 3 that communicate with each other at the uppermost part are defined. In addition, a plurality of liquid pipes 12 are connected to the bottom of each shell inner chamber 3 and the central shell inner chamber 3
A gas pipe 13 is connected to the uppermost part of the.
【００１７】前記管板１１、１１間には、図３に示した
ように多数の冷却管４を配置しているのであって、前記
各仕切板２には前記冷却管４を挿通することにより、各
冷却管４の長さ方向中間部を支持している。As shown in FIG. 3, a large number of cooling tubes 4 are arranged between the tube plates 11 and 11. By inserting the cooling tubes 4 into the partition plates 2, respectively. , Supports the intermediate portion in the length direction of each cooling pipe 4.
【００１８】更に、前記シェル１の一側端部における前
記管板１１の外側に設ける出口室１４に水出口管１５
を、また、入口室１６に冷却水入口管１７を接続し、前
記各内室３において所定の液面高さを維持しながら蒸発
する液冷媒の蒸発により前記冷却管４中を流れる水を冷
却するようにしている。尚、１８は、前記シェル１の他
側端部における前記管板１１の外側に設けた反転室であ
る。Further, a water outlet pipe 15 is provided in an outlet chamber 14 provided outside the tube sheet 11 at one end of the shell 1.
Further, a cooling water inlet pipe 17 is connected to the inlet chamber 16, and water flowing in the cooling pipe 4 is cooled by evaporation of a liquid refrigerant that evaporates while maintaining a predetermined liquid level height in each of the inner chambers 3. I am trying to do it. Reference numeral 18 is an inversion chamber provided outside the tube sheet 11 at the other end of the shell 1.
【００１９】しかして、以上のように構成した満液式冷
却器において、前記シェル１の内側に、前記仕切板２を
貫通して前記シェル１の長さ方向に延び、前記シェル１
内と区画された油室５をもった油収集体６を設けて、こ
の油収集体６に、前記仕切板２を介して隣り合うシェル
内室３と連通する油収集孔７を設けると共に、前記シェ
ル１に前記油室５に開口する油抽出管８を設けたのであ
る。Therefore, in the liquid-filled cooler configured as described above, the shell 1 is penetrated through the partition plate 2 to extend in the longitudinal direction of the shell 1,
An oil collecting body 6 having an oil chamber 5 partitioned from the inside is provided, and an oil collecting hole 7 communicating with the adjacent shell inner chamber 3 via the partition plate 2 is provided in the oil collecting body 6, and The shell 1 is provided with an oil extraction pipe 8 opening to the oil chamber 5.
【００２０】即ち、前記油収集体６は、図４に示したよ
うな両端部に扇状の端板６１を設けた長尺のアングル材
を用いて形成するのであって、この油収集体６を前記シ
ェル１の内部に水平状に配置し、図２及び図５に示した
ようにその両端部を管板１１と前記仕切板２とにより区
画形成した両側の各内室３に突入させた状態で、例えば
溶接により前記シェル１の周壁１９に、図１に示したよ
うに、固定するのである。That is, the oil collecting body 6 is formed by using a long angle member provided with fan-shaped end plates 61 at both ends as shown in FIG. A state in which the shell 1 is arranged horizontally inside the shell 1 and both ends thereof are projected into the inner chambers 3 on both sides defined by the tube plate 11 and the partition plate 2 as shown in FIGS. 2 and 5. Then, as shown in FIG. 1, it is fixed to the peripheral wall 19 of the shell 1 by welding, for example.
【００２１】斯くして、前記油収集体６と前記シェル１
の周壁１９とにより前記シェル１の内部と区画した前記
油室５が形成されると共に、前記油収集体６には、小孔
から成る前記油収集孔７を複数設けて、これら油収集孔
７を介して前記各内室３を前記油室５に連通させ、前記
仕切板２を介して隣り合う各内室３を前記油室５を介し
て互いに連通させるのである。Thus, the oil collector 6 and the shell 1
The oil chamber 5 that is partitioned from the inside of the shell 1 is formed by the peripheral wall 19 of the oil collecting body 6, and the oil collecting body 6 is provided with a plurality of the oil collecting holes 7 that are small holes. The inner chambers 3 are communicated with the oil chambers 5 via the, and the inner chambers 3 adjacent to each other via the partition plates 2 are communicated with each other via the oil chambers 5.
【００２２】更に、前記シェル１の周壁１９には、図１
〜図２に示したように主として電磁弁から成る開閉弁８
１をもった前記油抽出管８を側方から突入させるのであ
って、この油抽出管８の突入先端部を油室５の長さ方向
中央部に開口させるのである。Further, the peripheral wall 19 of the shell 1 has a structure shown in FIG.
~ As shown in Fig. 2, an on-off valve 8 mainly composed of a solenoid valve
The oil extraction pipe 8 having the number 1 is inserted from the side, and the leading end of the oil extraction pipe 8 is opened at the center of the oil chamber 5 in the longitudinal direction.
【００２３】尚、図１〜２では、前記各内室３における
液面高さの上下変動に対応できるように前記油収集体６
を３本設けたが、３本に限定するものではない。In FIGS. 1 and 2, the oil collecting body 6 is adapted to cope with the vertical fluctuation of the liquid level in each of the inner chambers 3.
Although three are provided, the number is not limited to three.
【００２４】以上のように構成した満液式冷却器によれ
ば、前記仕切板２で区画された各内室３において分離さ
れた油層の油は、図１点線矢印のように各油収集孔７を
介して前記油室５に流入してから、実線矢印のように前
記油抽出管８に流入するのであって、前記油抽出管８を
各内室３毎に開口させることなく、一本の前記油抽出管
８を介して複数の内室３、３から油を同時に回収するこ
とができる。従って、前記油抽出管８を各内室３毎に開
口させる場合に比較して前記油抽出管８の本数を減少で
き、それだけ配管構造を簡単な構造にすることができる
し、また、前記油収集体６の油室５に前記油層の油を収
集して前記油抽出管８で抽出するのであるから、油戻し
効果も向上することができる。According to the liquid-filled type cooler configured as described above, the oil in the oil layer separated in each inner chamber 3 partitioned by the partition plate 2 has an oil collecting hole as shown by a dotted arrow in FIG. After flowing into the oil chamber 5 via 7 and then into the oil extraction pipe 8 as indicated by a solid arrow, one oil pipe is not opened in each inner chamber 3 Oil can be simultaneously recovered from the plurality of inner chambers 3, 3 via the oil extraction pipe 8. Therefore, the number of the oil extraction pipes 8 can be reduced as compared with the case where the oil extraction pipes 8 are opened for each of the inner chambers 3, and the piping structure can be simplified accordingly. Since the oil in the oil layer is collected in the oil chamber 5 of the collector 6 and extracted by the oil extraction pipe 8, the oil return effect can be improved.
【００２５】また、図２に示したように高さの異なる位
置に前記油収集体６を複数本設け、前記各内室３の液面
高さに対応した高さの油抽出管８から油を回収できるか
ら、前記各内室３の液面高さが変動しても油を回収する
ことができる。Further, as shown in FIG. 2, a plurality of the oil collectors 6 are provided at positions having different heights, and the oil is extracted from the oil extraction pipe 8 having a height corresponding to the liquid level of each of the inner chambers 3. Since the oil can be recovered, the oil can be recovered even if the liquid level of each of the inner chambers 3 varies.
【００２６】また、前記油収集体６の両端部に扇状の端
板６１を設けた場合、この油収集体６の両端部を前記管
板１１、１１に溶接して前記シェル内室３に対し区画す
る必要がないから、前記端板６１をなくして管板１１、
１１に固定する場合に比較して、その組付性を良好にで
きる。When the fan-shaped end plates 61 are provided at both ends of the oil collecting body 6, both ends of the oil collecting body 6 are welded to the tube plates 11 and 11 to the shell inner chamber 3. Since it is not necessary to partition the tube plate 11,
Assembling property can be improved as compared with the case of fixing to 11.
【００２７】また、図１〜図５に示した実施例では、前
記アングル材を用いて前記油収集体６を構成したが、図
６、７に示したように長尺のパイプ材を用いて形成して
もよい。Further, in the embodiment shown in FIGS. 1 to 5, the oil collecting body 6 is constructed by using the angle member. However, as shown in FIGS. 6 and 7, a long pipe member is used. It may be formed.
【００２８】即ち、図６、７に示したものは、前記各仕
切板２の周縁部における側方部位にパイプ材から成る油
収集体６の外形に対応した湾曲部２１をもった支持部２
２を設け、これら支持部２２に前記油収集体６を介入さ
せて各仕切板２により前記油収集体６を支持したもので
ある。この場合も、前記油収集体６を形成する前記パイ
プ材には、図７に示したように小孔から成る前記油収集
孔７を複数設け、これら油収集孔７を介して前記各内室
３を前記油収集体６の内部に形成される前記油室５に連
通させ、前記各内室３を互いに連通させるのであり、ま
た、前記油収集体６の長さ方向中央部には、前記周壁１
９を貫通して突入する前記油抽出管８の突入先端部を開
口させるのである。尚、この場合も前記パイプ材の両端
部は閉鎖状に形成するのが好ましい。That is, the one shown in FIGS. 6 and 7 has a supporting portion 2 having a curved portion 21 corresponding to the outer shape of the oil collecting body 6 made of a pipe material at the side portion of the peripheral edge of each partition plate 2.
2 is provided, and the oil collector 6 is intervened in these support portions 22 to support the oil collector 6 by each partition plate 2. Also in this case, the pipe material forming the oil collecting body 6 is provided with a plurality of the oil collecting holes 7 composed of small holes as shown in FIG. 3 communicates with the oil chamber 5 formed inside the oil collecting body 6 so that the inner chambers 3 communicate with each other, and the central portion in the longitudinal direction of the oil collecting body 6 has the above-mentioned structure. Perimeter wall 1
The protruding end of the oil extraction pipe 8 that penetrates through the opening 9 is opened. Also in this case, it is preferable that both ends of the pipe member are formed in a closed shape.
【００２９】このように構成した場合、前記パイプ材か
ら成る油収集体６には、図６、７に示したように前記油
抽出管８に接続する接続短管８ａを予め固定しておき、
この短管８ａを前記周壁１９に設ける貫通孔１９ａに挿
嵌しながら前記油収集体６を前記シェル１内に組込み、
然る後前記仕切板２を挿嵌するのであって、斯くするこ
とにより、前記アングル材を用いて油収集体６を形成
し、前記シェル１の周壁１９の内側に固定する場合に比
較して、前記シェル１の周壁に溶接などにより固定する
必要がないから、前記油収集体６の組付けをより簡単に
することができる。In the case of such a construction, a connecting short pipe 8a connected to the oil extracting pipe 8 is previously fixed to the oil collecting body 6 made of the pipe material, as shown in FIGS.
Assembling the oil collector 6 into the shell 1 while inserting the short pipe 8a into the through hole 19a provided in the peripheral wall 19,
After that, the partition plate 2 is inserted and fitted, and by doing so, compared to the case where the oil collector 6 is formed using the angle member and fixed inside the peripheral wall 19 of the shell 1. Since it is not necessary to fix the shell 1 to the peripheral wall of the shell 1 by welding or the like, the oil collector 6 can be assembled more easily.
【００３０】次に、以上説明した実施例は前記油収集体
６を設けたものであるが、この油収集体６を設けること
なく、前記油抽出管８の所要本数を少なくする構成とす
ることもできる。Next, although the embodiment described above is provided with the oil collector 6, the required number of the oil extraction pipes 8 may be reduced without providing the oil collector 6. You can also
【００３１】即ち、図８〜図１１に示した実施例は、前
記シェル１内に前記仕切板２を１枚配設したものであっ
て、図１０、１１に示したように、前記シェル１の周壁
１９の内面に対接する前記仕切板２の周縁部に切欠部９
を設けて、この切欠部９に前記シェル１の周壁１９を貫
通して内部に突入する前記油抽出管８の突入端部を、前
記切欠部９の内面に向かって対向させたものである。That is, in the embodiment shown in FIGS. 8 to 11, one partition plate 2 is arranged in the shell 1, and as shown in FIGS. The notch 9 is formed in the peripheral edge of the partition plate 2 that is in contact with the inner surface of the peripheral wall 19.
Is provided, and the protruding end of the oil extraction pipe 8 which penetrates the peripheral wall 19 of the shell 1 and protrudes into the notch 9 is opposed to the inner surface of the notch 9.
【００３２】このように構成した場合、前記仕切板２を
挟んで隣り合う二つの内室３、３に対して前記油抽出管
８を一本設けることにより、各内室３から油は、図１１
に矢印で示したように流れることができ、一本の前記油
抽出管８を用いて２つの内室３から油を同時に回収する
ことができる。In the case of such a configuration, by providing one oil extraction pipe 8 for the two inner chambers 3 and 3 which are adjacent to each other with the partition plate 2 interposed therebetween, the oil from each inner chamber 3 can be removed from the drawing. 11
The oil can flow from the two inner chambers 3 at the same time by using one oil extraction pipe 8.
【００３３】また、図示しないが、前記シェル１に前記
仕切板２を３枚以上の複数の奇数枚配置し、前記内室３
を４室以上設けた場合には、一方の前記管板１１から数
えて奇数番目、即ち１枚目と３枚目の仕切板２の周縁部
に前記切欠部９を設けると共に、前記シェル１の周壁１
９に前記油抽出管８を複数本側方から突入させ、各油抽
出管８の突入端部を、それぞれ各切欠部９の内面に向か
って対向させるのである。Although not shown, the partition plate 2 is arranged in the shell 1 in an odd number of three or more, and the inner chamber 3
When four or more chambers are provided, the cutouts 9 are provided at the peripheral edge portions of the odd-numbered, that is, the first and third partition plates 2 counted from one of the tube sheets 11 and the shell 1 of the shell 1 is provided. Perimeter wall 1
A plurality of the oil extraction pipes 8 are inserted into the side walls 9 of the oil extraction pipes 9 so that the protruding ends of the oil extraction pipes 8 face the inner surfaces of the cutouts 9, respectively.
【００３４】このように構成した場合、例えば、３枚の
仕切板２を設けた構成においては場合１枚目と３枚目の
前記仕切板２を挟んで隣り合う各二つの内室３、３に対
して前記油抽出管８を一本設けることにより、各２つの
内室３から油を同時に回収することができる。即ち、前
記油抽出管８を２本設けることにより、４室の内室３か
ら油を回収することができるのであって、前記油抽出管
８の所要本数は各内室３の数の半分、即ち２本にするこ
とができる。従って、それだけ前記油抽出管８の配管構
造を簡単にすることができるし、また、前記シェル１の
内側に前記アングル材やパイプ材から形成する長尺の前
記油収集体６を設ける場合に比較して簡単な構成により
前記油抽出管８の所要本数を少なくできる。In the case of such a construction, for example, in the case of the construction in which three partition plates 2 are provided, each two inner chambers 3 and 3 adjacent to each other with the first and third partition plates 2 sandwiched therebetween. On the other hand, by providing one oil extraction pipe 8, oil can be simultaneously recovered from each of the two inner chambers 3. That is, the oil can be recovered from the four inner chambers 3 by providing the two oil extracting pipes 8, and the required number of the oil extracting pipes 8 is half the number of the inner chambers 3, That is, it can be two. Therefore, the piping structure of the oil extraction pipe 8 can be simplified by that much, and in comparison with the case where the long oil collecting body 6 formed of the angle material or the pipe material is provided inside the shell 1. Therefore, the required number of the oil extraction pipes 8 can be reduced with a simple configuration.
【００３５】尚、このように前記油収集体７を用いるこ
となく前記油抽出管８の本数を減少させる場合には、前
記油収集体７を用いる場合に比較して、その減少させる
本数は少ないが、その構成を簡単化できる点で有利とな
る。When the number of the oil extraction pipes 8 is reduced without using the oil collecting body 7 as described above, the number of the oil extracting pipes 8 is reduced as compared with the case where the oil collecting body 7 is used. However, it is advantageous in that the configuration can be simplified.
【００３６】また、図９、１０に示した実施例では、前
記油抽出管８の突入先端部を単に開口させただけである
が、図１２に示したように、前記油抽出管８の前記シェ
ル１への突入先端部に、前記シェル１の長さ方向に延び
る短い管材から成る邪魔板１０を設けるのが好ましい。Further, in the embodiment shown in FIGS. 9 and 10, although the protruding tip of the oil extraction pipe 8 is simply opened, as shown in FIG. It is preferable to provide a baffle plate 10 made of a short pipe member extending in the lengthwise direction of the shell 1 at the tip end of the shell 1 protruding into the shell 1.
【００３７】このように前記邪魔板１０を設けることに
より、油は互いに隣り合う２つの内室３、３の中央部に
近い液面からそれぞれ前記邪魔板１０に案内されてから
前記油抽出管８の先端部に流入するのであって、図１１
に示したように、隣り合う２つの内室３、３の隅から直
接油が前記油抽出管８の先端部に流入する場合に比較し
て油を効率よく回収することができる。By providing the baffle plate 10 in this manner, oil is guided to the baffle plate 10 from the liquid surfaces near the central portions of the two inner chambers 3 and 3 adjacent to each other, and then the oil extraction pipe 8 is provided. 11 flows into the tip of the
As shown in, the oil can be efficiently recovered as compared with the case where the oil directly flows into the tip portion of the oil extraction pipe 8 from the corners of the two adjacent inner chambers 3 and 3.
【００３８】[0038]
【発明の効果】以上説明したように、本発明は、横長状
のシェル１内に多数の冷却管４と仕切板２を設けた満液
式冷却器において、前記シェル１の内側に、前記仕切板
２を貫通して前記シェル１の長さ方向に延び、前記シェ
ル１内と区画された油室５をもった油収集体６を設け
て、この油収集体６に、前記仕切板２を介して隣り合う
シェル内室３と連通する油収集孔７を設けると共に、前
記シェル１に前記油室５に開口する油抽出管８を設けた
から、前記仕切板２で区画された各シェル内室３におけ
る油は各油収集孔７を介して前記油室５に流入して合流
するから、前記油抽出管８を各内室３毎に開口させるこ
となく、一本の前記油抽出管８を介して複数のシェル内
室３から油を同時に回収することができる。従って、前
記仕切板２を複数設けた構造であっても油を有効に回収
することができながら、前記油抽出管８の本数を減少で
き、その配管構造を簡単にすることができる。As described above, according to the present invention, in a liquid-filled cooler in which a large number of cooling pipes 4 and partition plates 2 are provided in a horizontally long shell 1, the partition is provided inside the shell 1. An oil collector 6 having an oil chamber 5 that extends through the plate 2 in the length direction of the shell 1 and is partitioned from the inside of the shell 1 is provided, and the partition plate 2 is attached to the oil collector 6. Since the oil collecting hole 7 communicating with the adjacent shell inner chamber 3 is provided, and the oil extraction pipe 8 opening to the oil chamber 5 is provided in the shell 1, each shell inner chamber partitioned by the partition plate 2 is provided. Since the oil in 3 flows into the oil chamber 5 through each oil collection hole 7 and merges, one oil extraction pipe 8 is not opened in each inner chamber 3 and opened. The oil can be simultaneously recovered from the plurality of shell inner chambers 3 via the above. Therefore, even with the structure in which the plurality of partition plates 2 are provided, the number of the oil extraction pipes 8 can be reduced while oil can be effectively recovered, and the piping structure can be simplified.
【００３９】また、横長状のシェル１内に多数の冷却管
４と仕切板２を設けた満液式冷却器において、前記シェ
ル１の内面に対接する前記仕切板２の周縁部に、該仕切
板２を挟んで隣り合うシェル内室３を連通する切欠部９
を設けると共に、前記シェル１における前記切欠部９と
対向する部位に、前記切欠部９の内面に向かって開口す
る油抽出管８を設けることにより、前記切欠部９を設け
た前記仕切板２を挟んで隣り合う二つのシェル内室３、
３から一本の前記油抽出管８を介して油を同時に回収す
ることができ、前記油抽出管８の所要本数は各シェル内
室３の数より少なくできるから、それだけ前記油抽出管
８の配管構造を簡単にすることができるし、また、前記
シェル１の内側に長尺の前記油収集体６を設けるものに
比較して簡単な構成で前記油抽出管８の所要本数を少な
くできる。Further, in a liquid-filled type cooler in which a large number of cooling pipes 4 and partition plates 2 are provided in a horizontally elongated shell 1, the partition plates are provided at the peripheral edge of the partition plate 2 which is in contact with the inner surface of the shell 1. Notch 9 that connects adjacent shell inner chambers 3 with the plate 2 in between
And the oil extraction pipe 8 opening toward the inner surface of the notch 9 in the portion of the shell 1 facing the notch 9, the partition plate 2 having the notch 9 is provided. Two shell inner chambers 3 that are adjacent to each other,
Oil can be simultaneously recovered from 3 through one of the oil extraction pipes 8, and the required number of the oil extraction pipes 8 can be smaller than the number of the shell inner chambers 3. The piping structure can be simplified, and the required number of the oil extraction pipes 8 can be reduced with a simple structure as compared with the case where the elongated oil collector 6 is provided inside the shell 1.
【００４０】また、シェル１に、奇数枚から成る複数の
仕切板２を設け、これら仕切板２のうち、前記シェル１
の長さ方向一側から奇数番目の仕切板２の周縁部に切欠
部９を設け、前記シェル１における前記各切欠部９と対
向する部位に、前記各切欠部９の内面に向かって開口す
る油抽出管８を設ける場合、前記仕切板２が複数枚設け
られているものでありながら前記切欠部９を設けた前記
仕切板２を介して隣り合う各二つの内室３、３から一本
の前記油抽出管８を介して油を同時に、かつ、ほゞ均等
に抽出することができるから、前記油抽出管８の所要本
数はシェル内室３の数の半分にできながら、各シェル内
室から均等に油の抽出ができ、それだけ前記油抽出管８
の配管構造を簡単にすることができる。Further, the shell 1 is provided with a plurality of odd-numbered partition plates 2, and among the partition plates 2, the shell 1
A notch 9 is provided in the peripheral edge of the odd-numbered partition plate 2 from one side in the length direction, and is opened toward the inner surface of each notch 9 at a portion of the shell 1 facing each notch 9. When the oil extraction pipe 8 is provided, one from each of the two inner chambers 3 and 3 that are adjacent to each other via the partition plate 2 provided with the cutout portion 9 although the plurality of partition plates 2 are provided. Since oil can be simultaneously and approximately uniformly extracted through the oil extraction pipes 8 of 1, the number of oil extraction pipes 8 required can be half the number of the shell inner chambers 3 and Oil can be evenly extracted from the chamber, and the oil extraction pipe 8 is that much.
The piping structure of can be simplified.
【００４１】更に、仕切板２に設ける切欠部９の内面
に、油抽出管８の開口部に対向する邪魔板１０を設ける
場合、油は、前記切欠部９を設けた前記仕切板２を挟ん
で隣り合う各２つの内室３、３の中央部に近い液面から
それぞれ前記邪魔板１０に案内されてから前記油抽出管
８の先端部に流入するから、隣り合う各２つの内室３の
隅から前記油抽出管８に流入する油が直接前記油抽出管
８の先端部に流入する場合に比較して油を効率よく回収
することができる。Further, when the baffle plate 10 facing the opening of the oil extraction pipe 8 is provided on the inner surface of the cutout portion 9 provided in the partition plate 2, the oil sandwiches the partition plate 2 provided with the cutout portion 9. Since each of the two inner chambers 3 adjacent to each other is guided by the baffle plate 10 from the liquid surface close to the central portion of each of the two inner chambers 3 and flows into the tip portion of the oil extraction pipe 8, the two inner chambers 3 adjacent to each other. The oil can be efficiently collected as compared with the case where the oil flowing into the oil extracting pipe 8 from the corner of the corner directly flows into the tip portion of the oil extracting pipe 8.
【図１】本発明に係る満液式冷却器の要部拡大断面図で
ある。FIG. 1 is an enlarged cross-sectional view of a main part of a liquid-filled type cooler according to the present invention.
【図２】図１の概略斜視図である。FIG. 2 is a schematic perspective view of FIG.
【図３】図２の縦断面図である。FIG. 3 is a vertical sectional view of FIG.
【図４】油収集体として用いるアングル材の斜視図であ
る。FIG. 4 is a perspective view of an angle member used as an oil collector.
【図５】アングル材と仕切板との位置を示す説明図であ
る。FIG. 5 is an explanatory view showing positions of an angle member and a partition plate.
【図６】パイプ材と仕切板との位置を示す説明図であ
る。FIG. 6 is an explanatory view showing the positions of a pipe member and a partition plate.
【図７】パイプ材と油抽出管との接続部位の部分拡大断
面図である。FIG. 7 is a partial enlarged cross-sectional view of a connection portion between a pipe material and an oil extraction pipe.
【図８】他の実施例を示す満液式冷却器の概略斜視図で
ある。FIG. 8 is a schematic perspective view of a liquid-filled type cooler showing another embodiment.
【図９】図８の仕切板と油抽出管との位置を示す説明図
である。9 is an explanatory view showing the positions of the partition plate and the oil extraction pipe of FIG.
【図１０】図８の要部拡大断面図である。10 is an enlarged cross-sectional view of the main parts of FIG.
【図１１】図１０のＡ−Ａ線断面図である。11 is a cross-sectional view taken along the line AA of FIG.
【図１２】図１１において邪魔板を設けた要部拡大断面
図である。FIG. 12 is an enlarged cross-sectional view of a main part provided with a baffle plate in FIG.
【図１３】従来例の縦断面図である。FIG. 13 is a vertical sectional view of a conventional example.
【図１４】図１３の斜視図である。FIG. 14 is a perspective view of FIG.
１ シェル ２ 仕切板 ３ シェル内室 ４ 冷却管 ５ 油室 ６ 油収集体 ７ 油収集孔 ８ 油抽出管 ９ 切欠部 １０ 邪魔板 1 Shell 2 Partition Plate 3 Shell Inner Chamber 4 Cooling Pipe 5 Oil Chamber 6 Oil Collecting Body 7 Oil Collecting Hole 8 Oil Extracting Pipe 9 Notch 10 Baffle Plate
Claims (4)
さ方向に延びる多数の冷却管４を配設すると共に、仕切
板２を設けて、該仕切板２に前記冷却管４の長さ方向中
間部を支持している満液式冷却器において、前記シェル
１の内側に、前記仕切板２を貫通して前記シェル１の長
さ方向に延び、前記シェル１内と区画された油室５をも
った油収集体６を設けて、この油収集体６に、前記仕切
板２を介して隣り合うシェル内室３と連通する油収集孔
７を設けると共に、前記シェル１に前記油室５に開口す
る油抽出管８を設けていることを特徴とする満液式冷却
器。1. A horizontally long shell 1 is provided with a large number of cooling pipes 4 extending in the lengthwise direction of the shell 1, and a partition plate 2 is provided, and the partition plate 2 is provided with the cooling pipes 4 In a liquid-filled cooler supporting an intermediate portion in the length direction, the partition plate 2 is penetrated inside the shell 1 to extend in the length direction of the shell 1, and is partitioned from the inside of the shell 1. An oil collecting body 6 having an oil chamber 5 is provided, and the oil collecting body 6 is provided with an oil collecting hole 7 communicating with the inner shell chamber 3 adjacent to the oil collecting body 6 through the partition plate 2, and the shell 1 is provided with the above-mentioned structure. A liquid-filled cooler characterized in that an oil extraction pipe 8 opening to the oil chamber 5 is provided.
さ方向に延びる多数の冷却管４を配設すると共に、仕切
板２を設けて、該仕切板２に前記冷却管４の長さ方向中
間部を支持している満液式冷却器において、前記シェル
１の内面に対接する前記仕切板２の周縁部に、該仕切板
２を挟んで隣り合うシェル内室３を連通する切欠部９を
設けると共に、前記シェル１における前記切欠部９と対
向する部位に、前記切欠部９の内面に向かって開口する
油抽出管８を設けていることを特徴とする満液式冷却
器。2. A plurality of cooling pipes 4 extending in the lengthwise direction of the shell 1 are arranged in a horizontally long shell 1, and a partition plate 2 is provided, and the partition plate 2 is provided with the cooling pipes 4 In a liquid-filled cooler supporting an intermediate portion in the length direction, the shell inner chambers 3 adjacent to each other sandwiching the partition plate 2 are communicated with the peripheral edge portion of the partition plate 2 facing the inner surface of the shell 1. A notch 9 is provided, and an oil extraction pipe 8 that opens toward the inner surface of the notch 9 is provided at a portion of the shell 1 that faces the notch 9, and a liquid-filled cooler is provided. ..
板２を備え、これら仕切板２のうち、前記シェル１の長
さ方向一側から奇数番目の仕切板２の周縁部に切欠部９
を設け、前記シェル１における前記各切欠部９と対向す
る部位に、前記各切欠部９の内面に向かって開口する油
抽出管８を設けている請求項２記載の満液式冷却器。3. The shell 1 is provided with a plurality of partition plates 2 consisting of an odd number of sheets, and among these partition plates 2, a cutout portion is formed in the peripheral edge of the odd numbered partition plates 2 from one side in the length direction of the shell 1. 9
3. The fluid-filled cooler according to claim 2, further comprising: an oil extraction pipe 8 opening toward an inner surface of each of the cutouts 9 at a portion of the shell 1 facing the cutouts 9.
抽出管８の開口部に対向する邪魔板１０を設けている請
求項２及び３記載の満液式冷却器。4. The liquid-filled cooler according to claim 2, wherein a baffle plate 10 facing the opening of the oil extraction pipe 8 is provided on the inner surface of the notch 9 provided in the partition plate 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10447592A JP3170858B2 (en) | 1992-04-23 | 1992-04-23 | Fluid cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10447592A JP3170858B2 (en) | 1992-04-23 | 1992-04-23 | Fluid cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05296612A true JPH05296612A (en) | 1993-11-09 |
| JP3170858B2 JP3170858B2 (en) | 2001-05-28 |
Family
ID=14381602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10447592A Expired - Fee Related JP3170858B2 (en) | 1992-04-23 | 1992-04-23 | Fluid cooler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3170858B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2453186A2 (en) * | 2009-07-07 | 2012-05-16 | LG Electronics Inc. | Air conditioner |
| CN113357850A (en) * | 2021-06-23 | 2021-09-07 | 特灵空调***(中国)有限公司 | Evaporator and water chilling unit |
-
1992
- 1992-04-23 JP JP10447592A patent/JP3170858B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2453186A2 (en) * | 2009-07-07 | 2012-05-16 | LG Electronics Inc. | Air conditioner |
| EP2453186A4 (en) * | 2009-07-07 | 2014-05-14 | Lg Electronics Inc | Air conditioner |
| CN113357850A (en) * | 2021-06-23 | 2021-09-07 | 特灵空调***(中国)有限公司 | Evaporator and water chilling unit |
| CN113357850B (en) * | 2021-06-23 | 2023-08-25 | 特灵空调***(中国)有限公司 | Evaporator and water chilling unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3170858B2 (en) | 2001-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4848449A (en) | Heat exchanger, especially for cooling cracked gas | |
| DK1479985T3 (en) | SUBMITTED EVAPORATOR INCLUDING A PLATE HEAT EXCHANGE AND A CYLINDRICAL HOUSE WHERE THE PLATE HEAT EXCHANGE IS LOCATED | |
| US6748763B2 (en) | Multistoreyed bath condenser | |
| AU2002217510B2 (en) | Layered heat exchangers | |
| US3216495A (en) | Stacked plate regenerators | |
| JP3100372B1 (en) | Heat exchanger | |
| US4852643A (en) | Vacuum condensor with condensate catch | |
| US4696339A (en) | Oil cooler | |
| JPH0463319B2 (en) | ||
| JPH08327279A (en) | Tank for heat exchanger | |
| JPH05296612A (en) | Full liquid type cooler | |
| JPS6142194B2 (en) | ||
| US3173482A (en) | Quadrant baffle for heat exchange header | |
| US1987051A (en) | Heat exchange apparatus | |
| JP2000120996A (en) | Hydrogen storage container and ventilation material for the container | |
| JPH04139364A (en) | Condenser | |
| JPS5928214Y2 (en) | Shell tube heat exchanger | |
| JPH0624713Y2 (en) | Stacked heat exchanger element | |
| JPH07310988A (en) | Multi-tubular heat exchanger | |
| JPH0370950A (en) | Condenser | |
| JPS6311497Y2 (en) | ||
| JPS5937578Y2 (en) | Shell and tube heat exchanger | |
| JPS609597Y2 (en) | water heat exchanger | |
| JPH0518629Y2 (en) | ||
| JPWO2020074637A5 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080323 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090323 Year of fee payment: 8 |
|
| LAPS | Cancellation because of no payment of annual fees |