Liquefied hydrogen loading arm
US10399643B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 12, 2016 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Jul 12, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/32
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A liquefied hydrogen loading arm configured to transport liquefied hydrogen includes: a support frame structure including a base riser erected on a ground, an inboard boom, an outboard boom, and a counterweight; a flexible vacuum insulation double tube including a flexible metal inner tube, a flexible metal outer tube fitted on the inner tube, and a vacuum layer, the vacuum insulation double tube being disposed in an upward curved shape in a space below the support frame structure; a vacuum insulation double connecting tube connected to a distal end portion of the vacuum insulation double tube and connected to a distal end portion of the outboard boom; and a midway portion support mechanism configured to support a lengthwise midway portion of the vacuum insulation double tube on the support frame structure through a hard curved member curved upward in a convex shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.