Filling device

Patent metadata

Field	Value
Publication number	US-2018134147-A1
Application number	US-201715715671-A
Country	US
Kind code	A1
Filing date	Sep 26, 2017
Priority date	Nov 16, 2016
Publication date	May 17, 2018
Grant date	—

Abstract

To prevent deterioration of a sealing structure of a filling device to decrease a possibility that hydrogen gas leaks. In filling devices ( 100, 101 ) including a storage tank for storing hydrogen fuel and filling nozzles ( 10, 11 ) for filling hydrogen from the storage tank through a fuel filling system (dispenser, filling hose and so on) to an in-vehicle hydrogen filling tank mounted on a vehicle, in a pipe joint main body ( 1 ) of the filling nozzles ( 10, 11 ) is slidably arranged a rod ( 2 : valve rod) having a valve element at its end against an elastic member ( 3 ).

First claim

1 . A filling device comprising a storage tank for storing hydrogen fuel, a filling nozzle for filling hydrogen from the storage tank through a fuel filling system to an in-vehicle hydrogen filling tank mounted on a vehicle, and a rod having a valve element at an end, said rod slidably arranged against an elastic member in a pipe joint main body of the filling nozzle,
wherein in an end portion of the pipe joint main body on a side of the in-vehicle hydrogen filling tank, an innermost portion for forming surface on which the rod slides projects on the side of the in-vehicle hydrogen filling tank, and when the filling nozzle is connected to a vehicle side filling port of the in-vehicle hydrogen filling tank, an outer surface of the projecting portion of the pipe joint main body contacts an inner surface of the vehicle side filling port.

2 . The filling device as claimed in claim 1 , wherein another end of said rod is contacted to a vehicle side filling port.

3 . The filling device as claimed in claim 1 , wherein a sealing structure is arranged in a portion where an inner periphery of the vehicle side filling port and an outer periphery of the projecting portion of the pipe joint main body contact with each other.

4 . The filling device as claimed in claim 1 , further comprising a clutch mechanism for maintaining a connected state between the filling nozzle and the vehicle side filling port.

5 . The filling device as claimed in claim 2 , wherein a sealing structure is arranged in a portion where an inner periphery of the vehicle side filling port and an outer periphery of the projecting portion of the pipe joint main body contact with each other.

6 . The filling device as claimed in claim 2 , further comprising a clutch mechanism for maintaining a connected state between the filling nozzle and the vehicle side filling port.

7 . The filling device as claimed in claim 3 , further comprising a clutch mechanism for maintaining a connected state between the filling nozzle and the vehicle side filling port.

Assignees

• Tatsuno Corp

Inventors

• Takezawa Masahiro
• Terasoma Yuki
• Kimura Kiyoshi

Classifications

• F17C2221/012

  Hydrogen · CPC title

• F17C5/00

  Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures (adding propellants to aerosol containers B65B31/00) · CPC title

• F17C2265/065

  for refuelling vehicle fuel tanks · CPC title

• F17C2270/0168

  by vehicles · CPC title

• F16L2201/20

  Safety or protective couplings · CPC title