HEAT EXCHANGE ELEMENT

PROBLEM TO BE SOLVED: To suppress increase in pressure loss due to deflection of a heat transfer sheet, in a heat exchange element.SOLUTION: In a heat exchange element, energy exchange is performed by ventilating supply air and exhaust air at every other step of a ventilation flue which is formed between a plurality of heat transfer sheets laminated by providing a predetermined interval, and the heat exchange element includes: a shielding rib for preventing leakage of an airflow from the portion other than an inflow port and an outflow port of the supply air and the exhaust air; and a dividing rib provided in a supply air passage for ventilating the supply air and an exhaust passage for ventilating the exhaust air. It also includes a connection rib for connecting the shielding rib and the dividing rib in the inflow port and the outflow port of the supply air and the inflow port and the outflow port of the exhaust air.SELECTED DRAWING: Figure 2 【課題】熱交換素子において、伝熱シートのたわみによる圧力損失の増加を抑制することを目的とする。【解決手段】所定間隔を設けて積層した複数の伝熱シート間に形成される通風路の一段おきに給気空気と排気空気を通風させてエネルギーを交換する熱交換素子であって、給気空気と排気空気の流入口および流出口以外の部分からの気流の漏れを防止する遮蔽リブと、給気空気を通風させる給気風路及び排気空気を通風させる排気風路に設けられた分割リブとを有し、給気空気の流入口と流出口および排気空気の流入口と流出口において、遮蔽リブと分割リブとを連結する連結リブを有する構成とする。【選択図】図２