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Low extractable curb pump hose

A hose and tube layer technology, which is applied in the direction of hoses, pipes, tubular objects, etc., can solve the problems of difficulty in meeting standards and difficulties in the development of fuel hoses, and achieve long service life, prevent fuel escape, and high compatibility. Effect

Inactive Publication Date: 2017-11-28
威扬斯技术公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The development of fuel hoses that do not increase the sulfur and / or gum content of the fuel conveyed therein has proven difficult
For example, dispensing fuel through most existing commercially available hoses results in unacceptably high sulfur levels in the fuel, for example, reaching sulfur in the range of 50 ppm to 100 ppm after a period of rest (eg, not used overnight), and 300 mg / 100ml or even more than 1000mg / 100ml of unwashed gum extract
[0009] Difficult to meet today's standards as fuel hoses must possess a range of physical and chemical properties that cannot be compromised

Method used

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  • Low extractable curb pump hose
  • Low extractable curb pump hose
  • Low extractable curb pump hose

Examples

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Embodiment Construction

[0024] The following descriptions of the various modifications are merely illustrative in nature and are not intended to limit the scope of the disclosure and its application or uses. The description and examples herein are for purposes of illustrating various embodiments of the disclosure only and should not be construed as limiting the scope and applicability of the disclosure. Although compositions of the present disclosure are described herein as comprising certain materials, it is to be understood that a composition may optionally comprise two or more chemically distinct materials. Furthermore, the composition may also contain components other than those already cited. In both the General Summary of the Disclosure and this Detailed Description, if each numerical value is modified once by the term "about" (unless it has expressly been so modified), its recurrence is still so modified unless the context dictates otherwise. Furthermore, in both the Summary of the Disclosure...

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Abstract

A hose includes a fluorothermoplastic tube layer, a nitrile rubber friction layer disposed over the tube layer, a reinforcement layer disposed over the friction layer, the reinforcement layer comprising braided steel wire, and a cover layer disposed over the reinforcing layer, where the cover layer may comprise chlorinated polyethylene. The tube layer defines a lumen in the hose, and a vapor return line may further be disposed within the lumen of the hose. Hose embodiments of the disclosure may be useful in fueling applications for vehicles using fuels such as gasoline, gasohol, diesel, biodiesel, avgas or jet fuel.

Description

[0001] Related application information [0002] This patent document claims priority to US Provisional Patent Application No. 62 / 094174, filed December 19, 2014, which is incorporated herein in its entirety. technical field [0003] The present disclosure generally relates to hoses suitable for use in conveying fuels such as gasoline, gasoline, diesel, biodiesel, aviation gasoline, and jet fuel. These hoses are especially valuable for use with conventional and vapor recovery fuel dispensing pumps such as those used to refuel cars, trucks, agricultural equipment, locomotives, aircraft, etc. Background technique [0004] This section provides background information to facilitate a better understanding of various aspects of the disclosure. It should be understood that the descriptions in this section of the document are to be read in this light and not as descriptions of prior art. [0005] There are various performance requirements for hoses used in fuel pumps such as those ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B25/04B32B15/18B32B15/06B32B15/02B32B15/082B32B27/30B32B7/12B32B25/08B32B25/10B32B27/12B32B27/02B32B1/08B67D7/04F16L11/08
CPCB32B1/08B32B5/02B32B7/12B32B15/02B32B15/06B32B15/082B32B15/18B32B25/04B32B25/08B32B25/10B32B27/12B32B27/304B67D7/04F16L11/08B32B15/085B32B27/322B32B2262/103B32B2307/7242B32B2307/7265B32B2597/00B67D7/38B67D7/0476F16L11/085
Inventor 安德鲁·J·斯派德尔兰斯·D·米勒于兆霞拉蒙·J·迪马西奥罗伯特·J·科扎克安·伯罗斯
Owner 威扬斯技术公司
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