JPS59158562U

JPS59158562U - Automobile front body structure

Info

Publication number: JPS59158562U
Application number: JP5492283U
Authority: JP
Inventors: 岩田　繁彦; 一楽　和夫; 敬博佐藤; 古本　一明
Original assignee: マツダ株式会社
Priority date: 1983-04-11
Filing date: 1983-04-11
Publication date: 1984-10-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の自動車前部車体構造を示す概略図、第２
図は従来の自動車における車室内空気循環状態での車速
とカウルボックス内圧力の関係を示す特性図、第３図は
本考案の実施例にかかる自動車前部車体構造の概略図、
第４図は第３図の一部拡大図、第５図は本考案実施例の
前部車体構造を備えた自動車における車室内空気循環状
態での車速とカウルボックス内圧力の関係を示す特性図
である。１・・・エンジンルーム、２・・・車室、３・・・カウ
ルボックス、４・・・カウルパネル、５・・・ダッシュ
アッパパネル、６・・・カウルスリット、１０・・・空
気調和装置、１１・・・外気導入ダクト、１２・・・切
換ダンパー、１６・・・連通口、」７・・・周縁部、２
０・・・蓋部材。ジ　１Ｔ −３′１１−一／２−Figure 1 is a schematic diagram showing the conventional front body structure of an automobile.
The figure is a characteristic diagram showing the relationship between vehicle speed and cowl box internal pressure in a state of air circulation in the passenger compartment of a conventional automobile, and FIG. 3 is a schematic diagram of an automobile front body structure according to an embodiment of the present invention.
FIG. 4 is a partially enlarged view of FIG. 3, and FIG. 5 is a characteristic diagram showing the relationship between vehicle speed and cowl box internal pressure in a vehicle interior air circulation state in an automobile equipped with the front body structure of the embodiment of the present invention. It is. 1... Engine room, 2... Vehicle interior, 3... Cowl box, 4... Cowl panel, 5... Dash upper panel, 6... Cowl slit, 10... Air conditioner , 11...Outside air introduction duct, 12...Switching damper, 16...Communication port, 7...Periphery, 2
0... Lid member. Di 1T -3'11-1/2-

Claims

[Scope of utility model registration request]

The cowl panel, which together with the dash upper panel forms a cowl box that is separated from the engine room and the passenger compartment, has a front wall that partitions the engine room and the inside of the cowl box. In an automobile in which a switching damper is provided in the outside air introduction duct for switching between outside air introduction and vehicle interior air circulation, the front wall of the cowl panel is provided with the engine room and the cowl box. A communication port is formed to communicate with the interior of the cowl box, and a lid member is provided on the communication port, and the lid member is configured to flow from the cowl box side to the engine room side by dynamic pressure acting within the cowl box. A front body structure for an automobile, characterized in that it is rotatable only in a direction that allows airflow.