High pressure tank apparatus and method of controlling same

Patent metadata

Field	Value
Publication number	US-11085583-B2
Application number	US-201916293013-A
Country	US
Kind code	B2
Filing date	Mar 5, 2019
Priority date	Mar 7, 2018
Publication date	Aug 10, 2021
Grant date	Aug 10, 2021

Abstract

A high pressure tank of a high pressure tank apparatus includes: a resin-made liner; a reinforced layer; a supplying/discharging hole to which a supplying/discharging flow path is connected via a connecting section; and a supplying/discharging-side lead-out hole that leads out a fluid interposing between the liner and the reinforced layer. A leaked fluid storage section is capable of storing a leaked fluid that has leaked from the connecting section. A supplying/discharging-side discharge flow path is provided independently from the leaked fluid storage section, and, when an opening/closing valve opens, discharges to the air a temporary release fluid that has been led out via the supplying/discharging-side lead-out hole. A control section, when it has judged, based on a detection result of a detecting unit, that there is a condition enabling the temporary release fluid to be discharged, opens the opening/closing valve.

First claim

What is claimed is:

1. A high pressure tank apparatus that is mounted in a mounting body and comprises a high pressure tank, and in which a fluid is routed to and from a resin-made liner of the high pressure tank via a supplying/discharging flow path,
the high pressure tank including:
a reinforced layer covering an outer surface of the liner;
a supplying/discharging hole that communicates between the supplying/discharging flow path and an inside of the liner; and
a cap having formed therein a lead-out hole that leads out the fluid interposing between the liner and the reinforced layer,
the high pressure tank apparatus comprising:
a leaked fluid storage section capable of storing a leaked fluid being the fluid that has leaked from at least a connecting section of the supplying/discharging flow path and the supplying/discharging hole;
a discharge flow path that is provided independently from the leaked fluid storage section and that is configured to discharge, to an atmosphere in a periphery of the mounting body, a temporary release fluid being the fluid that has been led out via the lead-out hole;
an opening/closing valve that selectively opens or closes the discharge flow path;
a detecting unit that is operable to detect whether or not the periphery of the mounting body is in a condition enabling the temporary release fluid to be discharged; and
a control section that is configured to selectively open the opening/closing valve when a detection result of the detecting unit indicates that the periphery of the mounting body is in the condition enabling the temporary release fluid to be discharged.

2. The high pressure tank apparatus according to claim 1 , wherein:
the detecting unit is capable of detecting whether or not the mounting body is in a moving state, and
when it has been detected by the detecting unit that the mounting body is in the moving state, the control section opens the opening/closing valve, enabling the temporary release fluid to be discharged.

3. The high pressure tank apparatus according to claim 2 , wherein:
the detecting unit is capable of detecting whether or not the fluid is being filled into the liner, and
when, in the case that the mounting body is not detected to be in the moving state, it has been detected by the detecting unit that the fluid is being filled, the control section opens the opening/closing valve, enabling the temporary release fluid to be discharged.

4. The high pressure tank apparatus according to claim 2 , wherein:
the detecting unit is capable of detecting a current position of the mounting body, and
when, in the case that the mounting body is not detected to be in the moving state, it has been detected by the detecting unit that the current position of the mounting body is at a supplying place of the fluid, the control section opens the opening/closing valve, enabling the temporary release fluid to be discharged.

5. The high pressure tank apparatus according to claim 1 , wherein:
the detecting unit is capable of detecting a wind pressure in the periphery of the mounting body, and
when it has been detected by the detecting unit that the wind pressure is a given value or more, the control section opens the opening/closing valve, enabling the temporary release fluid to be discharged.

6. The high pressure tank apparatus according to claim 1 , wherein:
the detecting unit is capable of detecting whether or not the fluid is being filled into the liner, and
when it has been detected by the detecting unit that the fluid is being filled into the liner, the control section opens the opening/closing valve, enabling the temporary release fluid to be discharged.

7. The high pressure tank apparatus according to claim 1 , wherein:
the detecting unit is capable of detecting a current position of the mounting body, and
when it has been detected by the detecting unit that the current position of the mounting body is at a supplying place of the fluid, the control section opens the opening/closing valve, enabling the temporary release fluid to be discharged.

8. A method of controlling a high pressure tank apparatus that is mounted in a mounting body and comprises a high pressure tank, and in which a fluid is routed to and from a resin-made liner of the high pressure tank via a supplying/discharging flow path,
the high pressure tank including:
a reinforced layer covering an outer surface of the liner;
a supplying/discharging hole that communicates between the supplying/discharging flow path and an inside of the liner; and
a cap having formed therein a lead-out hole that leads out the fluid interposing between the liner and the reinforced layer, and
the high pressure tank apparatus comprising:
a leaked fluid storage section capable of storing a leaked fluid being the fluid that has leaked from at least a connecting section of the supplying/discharging flow path and the supplying/discharging hole;
a discharge flow path that is provided independently from the leaked fluid storage section and that is configured to discharge, to an atmosphere in a periphery of the mounting body, a temporary release fluid being the fluid that has been led out via the lead-out hole;
an opening/closing valve that selectively opens and closes the discharge flow path;
a detecting unit that is operable to detect whether or not the periphery of the mounting body is in a condition enabling the temporary release fluid to be discharged; and
a control section that is configured to selectively open the opening/closing valve,
the method of controlling the high pressure tank apparatus including:
an assessment step for assessing whether where a detection result of the detecting unit indicates the presence of the condition enabling the temporary release fluid to be discharged; and
a valve-opening step which opens the opening/closing valve when, in the assessment step, the control section determines that the periphery of the mounting body is in the condition enabling the temporary release fluid to be discharged.

9. The method of controlling a high pressure tank apparatus according to claim 8 , wherein, when it has been detected by the detecting unit that the mounting body is in a moving state, the control section determines in the assessment step that the periphery of the mounting body is in the condition enabling the temporary release fluid to be discharged.

10. The method of controlling a high pressure tank apparatus according to claim 9 , wherein, when the mounting body is not detected to be in the moving state, and it has been detected by the detecting unit that the fluid is being filled into the liner, the control section determines in the assessment step that the periphery of the mounting body is in the condition enabling the temporary release fluid to be discharged.

11. The method of controlling a high pressure tank apparatus according to claim 9 , wherein, when the mounting body is not detected to be in the moving state, and it has been detected by the detecting unit that a current position of the mounting body is at a supplying place of the fluid, the control section determines in the assessment step that the periphery of the mounting body is in the condition enabling the temporary release fluid to be discharged.

12. The method of controlling a high pressure tank apparatus according to claim 8 , wherein, when it has been detected by the detecting unit that a wind pressure in the periphery of the mounting body is equal to a given value or more, the control section determines in the assessment step that the periphery of the mounting body is in the condition enabling the temporary release fluid to be discharged.

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Assignees

• Honda Motor Co Ltd

Inventors

• Ogiwara Naoki

Classifications

• F17C2201/056

  Small (<1 m3) · CPC title

• F17C2205/0308

  Protective caps · CPC title

• F17D3/01

  for controlling, signalling, or supervising the conveyance of a product · CPC title

• F17C2201/0109

  with exteriorly curved end-piece · CPC title

• F17C2203/0604

  Liners · CPC title