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Cryogenic tank assembly with a pump drive unit disposed within fluid storage vessel

A technology of drive units and components, applied in the direction of gas processing/storage purposes, equipment discharged from non-pressure containers, methods of container discharge, etc., capable of solving problems such as entering cryogenic fluid spaces

Active Publication Date: 2017-11-17
WESTPORT FUEL SYST CANADA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the challenge of preventing heat from entering the cryogenic fluid space, there are other challenges associated with locating the pump drive unit within the storage vessel, such as preventing hydraulic fluid lines from freezing - if the drive unit is a hydraulic drive unit

Method used

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  • Cryogenic tank assembly with a pump drive unit disposed within fluid storage vessel
  • Cryogenic tank assembly with a pump drive unit disposed within fluid storage vessel
  • Cryogenic tank assembly with a pump drive unit disposed within fluid storage vessel

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Embodiment Construction

[0020] Throughout the following description, specific details are disclosed in order to provide a more thorough understanding of the claimed system. However, some well-known elements have not been shown or described in detail to avoid obscuring the system disclosed herein. Accordingly, the specification and drawings are to be regarded as illustrative rather than restrictive. The figures are not drawn to scale.

[0021] refer to figure 1 , a vehicle 100 is shown having an enclosure (shell) 102 positioned on a vehicle chassis 104 between wheels 106 . Space 103 defines at least a vertical space available for a cryogenic fuel storage reservoir and may be at least partially defined by shell 102 . In one exemplary embodiment, the vehicle 100 is a large heavy goods vehicle, however, a vehicle may be understood to be any vehicle having an on-board tank assembly for storing cryogenic fuel. There is limited space available for cryogenic fuel storage components, and the shape of the ...

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Abstract

A fluid storage and pressurizing assembly includes a storage receptacle and a pump assembly. The storage receptacle includes an inner vessel defining a cryogen space for storing a fluid at a storage pressure and a cryogenic temperature, an outer vessel surrounding the inner vessel, and an insulated space between the inner vessel and the outer vessel, and a pump assembly. The pump assembly includes a pump having an inlet disposed within the cryogen space for receiving a quantity of the fluid from the cryogen space, and an outlet for delivering the fluid therefrom, and a pump drive unit for driving the pump, the pump drive unit being at least partially disposed within a space defined by the storage receptacle.

Description

technical field [0001] The present application relates to a cryogenic tank assembly, and more particularly, to a cryogenic tank assembly in which both a pump and a pump drive unit are disposed within a storage container. Background technique [0002] Developments in internal combustion engine technology have allowed the use of gaseous fuels instead of diesel as fuel without sacrificing vehicle performance or transport. As used herein, gaseous fuels are defined as those fuels that are in the gaseous phase at standard temperature and pressure, which in the context of this application is 21 degrees Celsius (°C) and 1 atmosphere (atm). Exemplary gaseous fuels include natural gas, methane, hydrogen, and other combustible hydrocarbon derivatives. Natural gas is increasingly being chosen as the gaseous fuel of choice for a variety of industries including mining trucks, locomotives, ships and other heavy goods vehicles (HGVs) due to its availability, low cost and potential to reduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C5/02
CPCF17C2201/0109F17C2201/0119F17C2201/0147F17C2201/032F17C2201/056F17C2203/014F17C2203/03F17C2203/0629F17C2221/012F17C2221/033F17C2223/0161F17C2223/033F17C2223/047F17C2227/0142F17C2227/0178F17C2260/031F17C2270/0168F17C2270/0171F17C2270/0173F04B15/08F04B23/021F04B2015/081F17C9/00Y02E60/32Y02T10/30F17C5/02
Inventor K·哈塔米阿赫达姆D·巴罗什C·G·D·斯科特T·S·科尔曼S·巴拉卡特-哈梅尔
Owner WESTPORT FUEL SYST CANADA INC