JPS59182448U

JPS59182448U - Cab window wash system device

Info

Publication number: JPS59182448U
Application number: JP7861583U
Authority: JP
Inventors: 正弘佐々木; 畑村　勇
Original assignee: 新キャタピラー三菱株式会社
Priority date: 1983-05-25
Filing date: 1983-05-25
Publication date: 1984-12-05
Also published as: JPH0210049Y2

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はブルドーザの側面図、第２図ないし第１１図は
本考案のウィンドウオッシャシステム装置の一実施例を
示すもので、第２図は全体の斜視図、第３図は遠心式揚
水ポンプの斜視図、第４図はその底面図、第５図はその
吸込口の接続部の断面図、第６図はその遠心式ポンプの
断面図、第７図はサブタンクの平断面図、第８図はその
側断面図、第９図は全体の流体回路図、第１０図は第９
図の一部分の変形例、第１１図はポンプ用モータの電気
回路図、第１２図、第１３図および第１４図はそれぞれ
流体口Ｖ変形例を示す流体回路ｉである。２・・・キャブ、３・・・メインタンク、４・・・遠心
式揚水ポンプ、７・・・サブタンク、訃・・遠心式噴射
ポンプ、９・・・管路、１０・・・ワイパ、１１・・・
窓、１２−・・・ノズル、４４．５４・・・洗浄水流出
阻止用部材としてのチェックバルブおよび定圧関口弁。１ −　　　ρ↑　　　　　　　　　　、Fig. 1 is a side view of a bulldozer, Figs. 2 to 11 show an embodiment of the window washer system device of the present invention, Fig. 2 is a perspective view of the whole, and Fig. 3 is a centrifugal water pump. Fig. 4 is a bottom view, Fig. 5 is a sectional view of the suction port connection, Fig. 6 is a sectional view of the centrifugal pump, Fig. 7 is a plan sectional view of the sub tank, and Fig. 8 is a sectional view of the centrifugal pump. The figure is a side cross-sectional view, Figure 9 is the entire fluid circuit diagram, and Figure 10 is the 9th
FIG. 11 is an electric circuit diagram of a pump motor, and FIGS. 12, 13, and 14 are a fluid circuit i showing a modified example of a portion of the figure, respectively. 2... Cab, 3... Main tank, 4... Centrifugal water pump, 7... Sub tank, butt... Centrifugal injection pump, 9... Pipe line, 10... Wiper, 11 ...
Window, 12--Nozzle, 44.54--Check valve and constant pressure barrier valve as a member for preventing outflow of wash water. 1 − ρ↑,

Claims

[Scope of utility model registration request]

(1) A main tank for storing cleaning water is provided outside the bottom of the cab, the suction port of a centrifugal water pump is connected to the bottom of this main tank, and the discharge port of this centrifugal water pump is provided at the top of the cab. The suction port of a centrifugal injection pump is connected to the lower part of this sub-tank, and the discharge port of this centrifugal injection pump is connected to a nozzle provided against a window equipped with a wiper. A cab window washer system device, characterized in that a cleaning water outflow prevention member is provided in a conduit between the nozzle and the cleaning water outflow when the centrifugal injection pump is not in operation.

(2) Registration of a utility model characterized in that the cleaning water outflow prevention member is a check valve for sucking external air connected to a part of the discharge side pipe of the centrifugal injection pump that is higher than the water level in the sub-tank. A cab window washer system device according to claim 1.

(3) The cab window washer according to claim 1 of the utility model registration claim, wherein the cleaning water outflow prevention member is a constant pressure opening valve inserted into the discharge side pipe of a centrifugal injection pump. System equipment.