High-Pressure Fuel Pump for a Fuel Injection System
US-2018258892-A1 · Sep 13, 2018 · US
Piston pump with leak diagnostic port
US8960071B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8960071-B2 |
| Application number | US-201113093324-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 25, 2011 |
| Priority date | Aug 18, 2004 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
Described are embodiments of a pump having a diagnostic port that enables users and support personnel to diagnose the source of a pump leak. The diagnostic port is monitored visually or with a pressure or liquid detection sensor. In some embodiments, fluid detected at the diagnostic port corresponds to a leak around a circumference defined at an outer sealing surface of a high pressure seal. In other embodiments, fluid detected at the diagnostic port corresponds to a leak around a plunger at the inside diameter of the high pressure seal. Multiple diagnostic ports can be provided to allow separate determinations of leaks about the different portions of the high pressure seal. The embodiments may eliminate the need to disassemble the pump to determine the source of leaks. Thus the effort required to diagnose and repair the pump can be substantially reduced, and fewer misdiagnosed components are ordered or replaced.
First claim
Opening claim text (preview).
What is claimed is: 1. A pump comprising: a seal wash housing having an abutment surface, a surface opposite to the abutment surface, a gland extending from the abutment surface and a bore extending from the gland to the surface opposite the abutment surface; a pump head having an abutment surface adjacent to the abutment surface of the seal wash housing, a fluidic chamber extending at one end from the abutment surface of the pump head, an inlet port in fluidic communication wit…
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Classifications
Physics · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
- F04B53/04Primary
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8960071B2 cover?
- Described are embodiments of a pump having a diagnostic port that enables users and support personnel to diagnose the source of a pump leak. The diagnostic port is monitored visually or with a pressure or liquid detection sensor. In some embodiments, fluid detected at the diagnostic port corresponds to a leak around a circumference defined at an outer sealing surface of a high pressure seal. In…
- Who is the assignee on this patent?
- Almeida Neal B, Shreve Joshua A, Angelosanto John, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification F04B53/04. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).