JPH0228972U - - Google Patents

Description

[Brief explanation of the drawing]

1 and 2 are sectional views of a supply oil passage and a return oil passage of a housingless heat exchanger according to the present invention, and FIGS. 3 to 7 are plan views of a core plate forming a core. 8 and 9 show cross-sectional views of a conventional oil supply passage and a return oil passage. 1...Housingless oil cooler, 2...Core, 2A to 2D...Core plate, 2c...Fitting rib, 4a...Introduction oil chamber,...Supply oil passage,...Return oil passage, 10...Center bolt, _O1 , O ₂ ... Supply oil and return oil (first fluid), P ₁ , P ₂ ... Return oil inlet/outlet port (passing port), P ₃ , P ₄
... Water supply and drainage port (passing port), 20... Direct pipe.

Claims (1)

[Scope of utility model registration request] It has a core in which many core plates are laminated,
The core includes a first heat exchange chamber in which a first fluid circulates;
A second heat exchange chamber in which a second fluid circulates adjacent to the first heat exchange chamber to perform heat exchange with the first fluid; A direct pipe connecting the inlet and the filter device to form a first fluid supply passage, a first fluid passage port connected to the first heat exchange chamber, and a first fluid passage port connected to the second heat exchange chamber. A housingless type heat exchanger comprising a second fluid passage port.