Title:
BRAKING CIRCUIT FOR WORKING VEHICLES
Document Type and Number:
Japanese Patent JPS61282162
Kind Code:
A
Abstract:
PURPOSE:To keep off any operating failure in a brake due to a shuttle valve, by omitting the shuttle valve having so far been set up in a braking circuit of a working vehicle. CONSTITUTION:Three input ports 32a-32c are installed in a working brake valve 32. In addition, in this brake valve, there are provided with a first output port 32d, which interconnects the first input port 32a among these input ports at the time of being yet unoperated and interconnects the second input port 32b among these input ports at the time of operation, and a second output port 32e which interconnects the third input port 32c at the time of being yet unoperated and interconnects the second input port 32b at the time of operation. A pipe line 33 being connected to an output port 30c of a driving brake valve 30 is connected to the first input port 32a, while an air feed pipe line 1a of an air pressure source 1 is connected to the second input port 32b, and a pipe line 34 is connected to the third input port 32c in addition.
Inventors:
TATSUMI AKIRA
HOSONO JUNICHI
HOSONO JUNICHI
Application Number:
JP12415585A
Publication Date:
December 12, 1986
Filing Date:
June 10, 1985
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
B60G21/10; B60G17/005; B60G17/015; B60G21/055; B60T13/36; B60W10/10; B60W10/18; B60W10/22; (IPC1-7): B60G21/10; B60K41/26; B60T13/36
Attorney, Agent or Firm:
Kenjiro Take