JPH0254060U - - Google Patents

Description

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

第１図は実施例の断面図、第２図は実施例の他
の断面図である。第３図イ，ロおよび第４図イ，
ロはそれぞれ第１、第２プレートの平面図、断面
図である。第５図は積層体の一部を示す図である
。 ２，３……プレート、５，６……端板、１０，
１１……空室、２６，３６……連通管、２７，３
７……小突起。 FIG. 1 is a sectional view of the embodiment, and FIG. 2 is another sectional view of the embodiment. Figure 3 A, B and Figure 4 A,
B is a plan view and a sectional view of the first and second plates, respectively. FIG. 5 is a diagram showing a part of the laminate. 2, 3... plate, 5, 6... end plate, 10,
11...Vacancy, 26,36...Communication pipe, 27,3
7...Small protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央開口を設けた底板の周縁と前記中央開口の
周縁とに立上りフランジを設け底板に複数の小突
起を上方へ凸に設けた第一プレートと、複数の小
突起を下方へ凸に設けた第２プレートを交互に重
ねて層状に空室を有する積層体となし、各空室に
２本ずつの連結管を貫通させて、空室を１層おき
に連通させたＡ流路とＢ流路を形成させ、前記積
層体の上面と下面とをそれぞれ上・下端板で被い
、さらに上下端板を通じて４個の開口を設け、そ
のうち２個をＡ流路に、他の２個をＢ流路に連通
させてなる熱交換コア。 A first plate having a peripheral edge of a bottom plate provided with a central opening and a rising flange provided on the peripheral edge of the central opening and a plurality of small protrusions projecting upwardly on the bottom plate; and a second plate having a plurality of small protrusions projecting downwardly on the bottom plate. Two plates are stacked alternately to form a laminate with empty chambers in layers, and two connecting pipes are passed through each empty chamber to communicate the empty chambers every other layer: A flow path and B flow path. The upper and lower surfaces of the laminate are covered with upper and lower end plates, respectively, and four openings are provided through the upper and lower end plates, two of which are connected to the A flow path and the other two are connected to the B flow path. A heat exchange core that communicates with the road.