JP3285243B2 - Plate heat exchanger - Google Patents
Plate heat exchangerInfo
- Publication number
- JP3285243B2 JP3285243B2 JP03148893A JP3148893A JP3285243B2 JP 3285243 B2 JP3285243 B2 JP 3285243B2 JP 03148893 A JP03148893 A JP 03148893A JP 3148893 A JP3148893 A JP 3148893A JP 3285243 B2 JP3285243 B2 JP 3285243B2
- Authority
- JP
- Japan
- Prior art keywords
- heat transfer
- plate
- bead
- medium
- rectangular
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、プレート式熱交換器に
関し、詳しくは、伝熱プレートの媒体通路孔から媒体流
路に流入した媒体を、伝熱面の全体に均一に、かつ、圧
力損失を少なくして拡散可能なプレート式熱交換器に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate heat exchanger, and more particularly to a plate heat exchanger, in which a medium flowing into a medium passage from a medium passage hole of a heat transfer plate is uniformly and pressure-applied to the entire heat transfer surface. The present invention relates to a plate heat exchanger capable of diffusing with reduced loss.
【０００２】[0002]
【従来の技術】一般に、プレート式熱交換器は、図２に
示すように、伝熱面（１）の四隅に媒体通路孔（２）を
設けた矩形状の複数枚の伝熱プレート（３）をガスケッ
ト（４）を介して交互に上下反転して積層し、隣接する
伝熱プレート（３）間に２種の媒体通路を交互に形成し
たものである。2. Description of the Related Art Generally, as shown in FIG. 2, a plate-type heat exchanger comprises a plurality of rectangular heat transfer plates (3) having medium passage holes (2) at four corners of a heat transfer surface (1). ) Are alternately turned upside down via a gasket (4) and stacked, and two types of medium passages are alternately formed between adjacent heat transfer plates (3).
【０００３】ところで、上記伝熱プレート（３）の伝熱
面（１）の中央の矩形状部分（６）、及び矩形状部分
（６）の上下外側の略三角形状をした三角状部分（７）
には、伝熱性能の向上とプレート強度の向上を図るため
凹凸模様を形成してある。そして、従来、上記伝熱プレ
ート（３）の伝熱面（１）の三角状部分（７）に形成さ
れた凹凸模様には２種類があった。すなわち、第１は、
図３に示すように、伝熱面（１）の三角状部分（７）
に、媒体が流出入する媒体通路孔（２）から矩形状部分
（６）の上辺及び下辺、つまり上下両側の側辺（８）に
向って傾斜する長さの異なる複数のビード状突起（９）
を形成したものである。第２は、図４に示すように、伝
熱面（１）の三角状部分（７）に、矩形状部分（６）の
側辺（８）に向って多数の小判状突起（１０）を所定ピ
ッチで、かつ、複数の列状に傾斜させて配置したもので
ある。Incidentally, a rectangular portion (6) at the center of the heat transfer surface (1) of the heat transfer plate (3), and a triangular portion (7) having a substantially triangular shape on the upper and lower sides of the rectangular portion (6). )
Has a concavo-convex pattern for improving heat transfer performance and plate strength. Conventionally, there are two types of uneven patterns formed on the triangular portion (7) of the heat transfer surface (1) of the heat transfer plate (3). That is, the first is
As shown in FIG. 3, the triangular portion (7) of the heat transfer surface (1)
A plurality of bead-shaped projections (9) having different lengths inclined from the medium passage hole (2) through which the medium flows in toward the upper side and the lower side of the rectangular portion (6), that is, the upper and lower sides (8). )
Is formed. Second, as shown in FIG. 4, a large number of oval-shaped projections (10) are formed on the triangular portion (7) of the heat transfer surface (1) toward the side (8) of the rectangular portion (6). They are arranged at a predetermined pitch and inclined in a plurality of rows.
【０００４】そして、伝熱プレート（３）の媒体通路孔
（２）を介して流入した媒体は、ビード状突起（９）あ
るいは小判状突起（１０）を形成してある上部の三角状
部分（７）を通って、伝熱面（１）の矩形状部分（６）
の上部側辺（８）に分散された後、矩形状部分（６）を
流下する間に他の媒体との間で熱交換を行う。Then, the medium flowing through the medium passage hole (2) of the heat transfer plate (3) is subjected to an upper triangular portion (beads (9) or oval protrusions (10)). 7) through the rectangular part (6) of the heat transfer surface (1)
After being dispersed on the upper side (8), heat exchange is performed with another medium while flowing down the rectangular portion (6).
【０００５】[0005]
【発明が解決しようとする課題】従来のプレート式熱交
換器によれば、三角状部分（７）にビード状突起（９）
を形成した伝熱プレート（３）においては、媒体通路孔
（２）から流入した媒体は、ビード状突起（９）にそっ
て矩形状部分（６）の上部側辺（８）へ均一に送られ、
小判状突起（１０）を形成した伝熱プレート（３）に比
べて伝熱性能が良好であるが、媒体が媒体通路孔（２）
の直下へ流下するのが抑えられるため、圧力損失が大き
い。According to the conventional plate heat exchanger, the triangular portion (7) has a bead-like projection (9).
In the heat transfer plate (3) in which is formed the medium, the medium flowing from the medium passage hole (2) is uniformly sent to the upper side (8) of the rectangular portion (6) along the bead-shaped projection (9). And
The heat transfer performance is better than that of the heat transfer plate (3) having the oval projections (10), but the medium is formed in the medium passage hole (2).
The pressure loss is large because it is suppressed from flowing down to just below.
【０００６】また、三角状部分（７）に小判状突起（１
０）を形成した伝熱プレート（３）においては、ビード
状突起（９）を形成した伝熱プレート（３）に比べて圧
力損失が少ないが、媒体の多くは、媒体通路孔（２）の
直下に流下し、伝熱面（１）の矩形状部分（６）に均一
に拡散されず、偏流となりやすく、それだけ伝熱性能が
低下するという問題があった。In addition, the oval-shaped projection (1) is formed on the triangular portion (7).
In the heat transfer plate (3) formed with 0), the pressure loss is smaller than that of the heat transfer plate (3) formed with the bead-shaped projections (9), but most of the medium is formed in the medium passage hole (2). There is a problem in that it flows down immediately below, and is not uniformly diffused in the rectangular portion (6) of the heat transfer surface (1), and is likely to be drifted, thereby deteriorating the heat transfer performance.
【０００７】本発明は、上記問題点に鑑み提案されたも
ので、伝熱性能が良好で、かつ、圧力損失が少ないプレ
ート式熱交換器を提供することを目的としている。The present invention has been made in view of the above problems, and has as its object to provide a plate heat exchanger having good heat transfer performance and low pressure loss.
【０００８】[0008]
【課題を解決するための手段】本発明は、上記の目的を
達成するため、伝熱面の四隅に媒体通路孔を有する複数
枚の伝熱プレートを積層して相互間に２種の媒体流路を
交互に形成すると共に、上記伝熱プレートの伝熱面の中
央の矩形状部分及び矩形状部分の上下外側の略三角形状
をした三角状部分に、凹凸模様を形成したプレート式熱
交換器において、上記伝熱プレートの三角状部分の凹凸
模様を、伝熱面の矩形状部分の上下側辺と対向する三角
状部分の側辺にそって傾斜させて並列形成した複数のビ
ード状突起と、ビード状突起の外側略中央部で、かつ、
媒体通路孔の近傍に形成した複数の小判状突起とで形成
したものである。According to the present invention, in order to achieve the above object, a plurality of heat transfer plates having medium passage holes at four corners of a heat transfer surface are laminated, and two kinds of medium flow are interposed between each other. A plate heat exchanger in which the passages are alternately formed, and a concave and convex pattern is formed in a rectangular portion at the center of the heat transfer surface of the heat transfer plate and a triangular portion having a substantially triangular shape on the upper and lower sides of the rectangular portion. A plurality of bead-shaped projections formed in parallel by forming the uneven pattern of the triangular portion of the heat transfer plate inclining along the sides of the triangular portion facing the upper and lower sides of the rectangular portion of the heat transfer surface. , At the approximate center of the outside of the bead-like projection, and
It is formed by a plurality of oval-shaped projections formed near the medium passage hole.
【０００９】[0009]
【作用】伝熱プレートの上部の媒体通路孔から流入した
媒体は、媒体通路孔の直下のビード状突起部に流下する
と同時に、伝熱プレートの三角状部分の外側中央部に、
ビード状突起より圧力損失の少ない小判状突起を配設し
てあるため、三角状部分の小判状突起の形成部分、すな
わち、三角状部分の外側中央部に流れ込んだ後、小判状
突起の下方に位置するビード状突起により、伝熱面の矩
形状部分の上部側辺に拡散され、その結果、媒体通路孔
から流入した媒体は、伝熱面の矩形状部分に均一に流下
する。The medium flowing from the medium passage hole at the upper part of the heat transfer plate flows down to the bead-shaped protrusion immediately below the medium passage hole, and at the same time, the medium flows into the outer central part of the triangular portion of the heat transfer plate.
Since the oval-shaped projections with less pressure loss than the bead-shaped projections are arranged, after flowing into the formation of the oval-shaped projections of the triangular part, that is, after flowing into the center of the outside of the triangular part, below Due to the located bead-shaped protrusions, the medium is diffused to the upper side of the rectangular portion of the heat transfer surface, and as a result, the medium flowing from the medium passage hole uniformly flows down to the rectangular portion of the heat transfer surface.
【００１０】[0010]
【実施例】以下本発明に係るプレート式熱交換器の実施
例を図１を参照しながら説明すると次の通りである。
尚、図２に示したものと同一部分には同一符号を付して
説明を省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the plate heat exchanger according to the present invention will be described below with reference to FIG.
The same parts as those shown in FIG. 2 are denoted by the same reference numerals, and description thereof will be omitted.
【００１１】本実施例の特徴は、上記伝熱プレート
（３）の三角状部分（７）の凹凸模様を、伝熱面（１）
の矩形状部分（６）の側辺（８）と対向する三角状部分
（７）の側辺（１１）にそって並列形成した複数のビー
ド状突起（１２）と、ビード状突起（１２）の上下方向
外側略中央部で、かつ、媒体通路孔（２）の近傍に形成
した複数の小判状突起（１３）とで形成したことで、上
記ビード状突起（１２）は、媒体通路孔（２）から矩形
状部分（６）の側辺（８）に向かって傾斜させてあり、
又小判状突起（１３）は、上記ビード状突起（１２）の
形成方向と同一方向に所定ピッチで、かつ、複数の列状
に形成してある。The present embodiment is characterized in that the triangular portion (7) of the heat transfer plate (3) has a concave and convex pattern formed on the heat transfer surface (1).
A plurality of bead-shaped protrusions (12) formed in parallel along a side (11) of a triangular portion (7) opposed to a side (8) of the rectangular portion (6); And a plurality of oval-shaped protrusions (13) formed near the center of the medium passage hole (2) in the up-down direction and the bead-shaped protrusions (12). It is inclined from 2) toward the side (8) of the rectangular portion (6),
The oval projections (13) are formed in a plurality of rows at a predetermined pitch in the same direction as the direction in which the bead-shaped projections (12) are formed.
【００１２】そうして、伝熱プレート（３）の上部の媒
体通路孔（２）から流入した媒体は、媒体通路孔（２）
の直下のビード状突起部に流下すると同時に、伝熱プレ
ート（３）の三角状部分（７）の外側中央部に、ビード
状突起（１２）より圧力損失の少ない小判状突起（１
３）を配設してあるため、この小判状突起（１３）の形
成部分、すなわち、三角状部分（７）の外側中央部に流
れ込んだ後、小判状突起（１３）の下方に位置するビー
ド状突起（１２）により、伝熱面（１）の矩形状部分
（６）の上部側辺（８）に拡散され、その結果、媒体
は、伝熱面（１）の矩形状部分（６）を均一に流下す
る。しかも媒体の多くは、圧力損失の少ない小判状突起
（１１）の形成部分を通った後、ビード状突起（１３）
の形成部分を通過して拡散するため、圧力損失が少なく
なる。Then, the medium flowing from the medium passage hole (2) above the heat transfer plate (3) is supplied to the medium passage hole (2).
At the same time as flowing down to the bead-shaped protrusion directly below the triangular portion (7) of the heat transfer plate (3).
3), the bead located below the oval projection (13) after flowing into the portion where the oval projection (13) is formed, that is, the outside central portion of the triangular portion (7). By means of the projections (12), it is diffused on the upper side (8) of the rectangular part (6) of the heat transfer surface (1), so that the medium is transferred to the rectangular part (6) of the heat transfer surface (1). Flow down uniformly. In addition, most of the medium passes through the formation of the oval projections (11) having a small pressure loss, and then passes through the bead-shaped projections (13).
The pressure loss is reduced due to the diffusion through the formation part of the.
【００１３】[0013]
【発明の効果】本発明によれば、伝熱プレートの伝熱面
の矩形状部分の上下外側に形成された三角状部分の凹凸
模様を、伝熱面の矩形状部分の上下側辺と対向する側辺
にそって傾斜させて並列形成した複数のビード状突起
と、ビード状突起の外側略中央部で、かつ、媒体通路孔
の近傍に形成した複数の小判状突起とで形成したので、
上部の媒体通路孔から流入した媒体の多くは、圧力損失
の少ない小判状突起の形成部分を介してビード状突起の
形成部分に流れて伝熱面の矩形状部分の上部側辺に拡散
するので、伝熱プレートの媒体通路孔から流入した媒体
を伝熱面の矩形状部分の全面に均一に拡散させることが
可能となり、伝熱性能がきわめて良好となると共に、圧
力損失が少なくなり、熱交換を効率良く行うことができ
る。According to the present invention, the uneven pattern of the triangular portion formed on the upper and lower sides of the rectangular portion of the heat transfer surface of the heat transfer plate is opposed to the upper and lower sides of the rectangular portion of the heat transfer surface. Since a plurality of bead-shaped projections formed in parallel by inclining along the side to be formed, and a plurality of oval-shaped projections formed near the outside of the bead-shaped projection and near the medium passage hole,
Most of the medium flowing from the upper medium passage hole flows through the formation of the bead-shaped protrusion through the formation of the oval-shaped protrusion with small pressure loss, and diffuses into the upper side of the rectangular portion of the heat transfer surface. In addition, the medium flowing from the medium passage hole of the heat transfer plate can be uniformly diffused over the entire rectangular portion of the heat transfer surface, so that heat transfer performance is extremely improved, pressure loss is reduced, and heat exchange is reduced. Can be performed efficiently.
【図１】本発明に係るプレート式熱交換器の実施例を示
す伝熱プレートの要部正面図。FIG. 1 is a front view of a main part of a heat transfer plate showing an embodiment of a plate heat exchanger according to the present invention.
【図２】従来のプレート式熱交換器に使用される伝熱プ
レートの正面図。FIG. 2 is a front view of a heat transfer plate used in a conventional plate heat exchanger.
【図３】図２に示した伝熱プレートの三角状部分の第１
の具体例を示す正面図。FIG. 3 shows a first example of the triangular portion of the heat transfer plate shown in FIG. 2;
The front view which shows the specific example of.
【図４】図２に示した伝熱プレートの三角状部分の第２
の具体例を示す正面図。FIG. 4 shows a second example of the triangular portion of the heat transfer plate shown in FIG.
The front view which shows the specific example of.
１ 伝熱面 ２ 媒体通路孔 ３ 伝熱プレート ６ 矩形状部分 ７ 三角状部分 ８、１１ 側辺 １２ ビード状突起 １３ 小判状突起 DESCRIPTION OF SYMBOLS 1 Heat transfer surface 2 Medium passage hole 3 Heat transfer plate 6 Rectangular part 7 Triangular part 8, 11 Side 12 Bead-shaped projection 13 Oval-shaped projection
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平６−109394（ＪＰ，Ａ) 特開 昭63−25494（ＪＰ，Ａ) 特開 昭61−276691（ＪＰ，Ａ) 実開 昭54−164954（ＪＰ，Ｕ) 実開 平７−12775（ＪＰ，Ｕ) 実開 昭55−95073（ＪＰ，Ｕ) 特表 平１−503254（ＪＰ，Ａ) 特表 平２−504425（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F28D 9/02 F28F 3/08 F28F 3/04 A ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-109394 (JP, A) JP-A-63-25494 (JP, A) JP-A-61-276691 (JP, A) 164954 (JP, U) JP 7-12775 (JP, U) JP 55-95073 (JP, U) JP 1-503254 (JP, A) JP 2 504425 (JP, A) (58) Field surveyed (Int. Cl. 7 , DB name) F28D 9/02 F28F 3/08 F28F 3/04 A
Claims (1)
枚の伝熱プレートを積層して相互間に２種の媒体流路を
交互に形成すると共に、上記伝熱プレートの伝熱面の中
央の矩形状部分及び矩形状部分の上下外側の略三角形状
をした三角状部分に、凹凸模様を形成したプレート式熱
交換器において、 上記伝熱プレートの三角状部分の凹凸模様を、伝熱面の
矩形状部分の上下側辺と対向する三角状部分の側辺にそ
って傾斜させて並列形成した複数のビード状突起と、ビ
ード状突起の外側略中央部で、かつ、媒体通路孔の近傍
に形成した複数の小判状突起とで形成したことを特徴と
するプレート式熱交換器。1. A heat transfer plate having a plurality of heat transfer plates having medium passage holes at four corners of a heat transfer surface to alternately form two types of medium flow paths between the heat transfer plates. A plate-type heat exchanger in which a concave and convex pattern is formed in a substantially rectangular triangular part on the upper and lower sides of the rectangular part at the center of the rectangular part and the upper and lower outer parts of the rectangular part; A plurality of bead-shaped projections formed in parallel by inclining along the sides of the triangular portion opposed to the upper and lower sides of the rectangular portion of the heating surface; and a substantially central portion outside the bead-shaped projections, and a medium passage hole. And a plurality of oval-shaped projections formed in the vicinity of the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03148893A JP3285243B2 (en) | 1993-02-22 | 1993-02-22 | Plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03148893A JP3285243B2 (en) | 1993-02-22 | 1993-02-22 | Plate heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06241672A JPH06241672A (en) | 1994-09-02 |
| JP3285243B2 true JP3285243B2 (en) | 2002-05-27 |
Family
ID=12332662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03148893A Expired - Lifetime JP3285243B2 (en) | 1993-02-22 | 1993-02-22 | Plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3285243B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9874409B2 (en) | 2011-07-13 | 2018-01-23 | Mitsubishi Electric Corporation | Plate heat exchanger and heat pump apparatus |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3292128B2 (en) * | 1998-02-27 | 2002-06-17 | ダイキン工業株式会社 | Plate heat exchanger |
| KR100664537B1 (en) * | 2000-10-27 | 2007-01-03 | 한라공조주식회사 | Plate for laminate type secondary heat exchanger of car air conditioner |
| SE526831C2 (en) * | 2004-03-12 | 2005-11-08 | Alfa Laval Corp Ab | Heat exchanger plate and plate package |
| SE528879C2 (en) * | 2005-07-04 | 2007-03-06 | Alfa Laval Corp Ab | Heat exchanger plate, pair of two heat exchanger plates and plate package for plate heat exchanger |
| SE533310C2 (en) | 2008-11-12 | 2010-08-24 | Alfa Laval Corp Ab | Heat exchanger plate and heat exchanger including heat exchanger plates |
| FR2954480B1 (en) * | 2009-12-17 | 2012-12-07 | Valeo Systemes Thermiques | HEAT EXCHANGER PLATE, IN PARTICULAR FOR AN AIR CONDITIONING CONDENSER |
| ES2610365T3 (en) * | 2012-10-30 | 2017-04-27 | Alfa Laval Corporate Ab | Heat exchanger plate and plate heat exchanger comprising such a heat exchanger plate |
| DK2728292T3 (en) * | 2012-10-30 | 2017-01-30 | Alfa Laval Corp Ab | HEAT TRANSFER PLATE AND PLATE HEAT EXCHANGERS THAT INCLUDE SUCH A HEAT TRANSFER PLATE |
| JP5947959B1 (en) * | 2015-06-09 | 2016-07-06 | 株式会社日阪製作所 | Heat transfer plate for plate heat exchanger and plate heat exchanger equipped with the same |
| JP7018299B2 (en) * | 2017-11-22 | 2022-02-10 | 株式会社日阪製作所 | Plate heat exchanger |
| US11486657B2 (en) | 2018-07-17 | 2022-11-01 | Tranter, Inc. | Heat exchanger heat transfer plate |
| SE544426C2 (en) * | 2019-04-03 | 2022-05-24 | Alfa Laval Corp Ab | A heat exchanger plate, and a plate heat exchanger |
| DK4015961T3 (en) | 2020-12-15 | 2023-08-07 | Alfa Laval Corp Ab | HEAT EXCHANGER PLATE |
-
1993
- 1993-02-22 JP JP03148893A patent/JP3285243B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9874409B2 (en) | 2011-07-13 | 2018-01-23 | Mitsubishi Electric Corporation | Plate heat exchanger and heat pump apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06241672A (en) | 1994-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3285243B2 (en) | Plate heat exchanger | |
| AU693694B2 (en) | Plate heat exchanger with improved undulating passageway | |
| JPH05695Y2 (en) | ||
| JP2009500588A (en) | Heat exchange plate for plate-type heat exchanger, one set of heat exchange plate, and plate package | |
| KR20070001819A (en) | Heat exchange unit | |
| JPH0233959B2 (en) | ||
| JP3654669B2 (en) | Plate heat exchanger | |
| JP3212350B2 (en) | Plate heat exchanger | |
| JP3543992B2 (en) | Plate heat exchanger | |
| JPH06174393A (en) | Heat exchanger | |
| JP3650657B2 (en) | Plate heat exchanger | |
| JP3751331B2 (en) | Plate structure of plate heat exchanger | |
| JP3526321B2 (en) | Plate heat exchanger | |
| JP7243726B2 (en) | Brazed plate heat exchanger manufacturing method | |
| JP2000337789A (en) | Method for brazing plate type heat exchanger | |
| JP2584060B2 (en) | Stacked heat exchanger | |
| JPS61122493A (en) | Plate type heat exchanger | |
| CN112146484B (en) | Plate heat exchanger | |
| JP2700150B2 (en) | Plate heat exchanger | |
| JPS6335274Y2 (en) | ||
| JPH0335989Y2 (en) | ||
| JP2000097591A (en) | Plate-type heat exchanger | |
| JPS6347742Y2 (en) | ||
| JP3105091B2 (en) | Plate heat exchanger | |
| JPH07260387A (en) | Plate type heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20020125 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080308 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090308 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090308 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100308 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110308 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120308 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120308 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130308 Year of fee payment: 11 |
|
| EXPY | Cancellation because of completion of term |