Oil pump
US-9482224-B2 · Nov 1, 2016 · US
Variable output pump
US9028222B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9028222-B2 |
| Application number | US-201113218753-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 26, 2011 |
| Priority date | Aug 26, 2011 |
| Publication date | May 12, 2015 |
| Grant date | May 12, 2015 |
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- Title
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Abstract
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A variable output pump includes a fluid input, a control stage pump having an input portion and an output portion, a main stage pump having an input portion and an output portion, and a differential linkage in mechanical communication with the control stage pump and the main stage pump. The input portion of the control stage pump is in fluid communication with the fluid input and the input portion of the main stage pump is in fluid communication with the fluid input and the output portion of the control stage pump.
First claim
Opening claim text (preview).
The invention claimed is: 1. A variable output pump, comprising: a fluid input; a control stage pump with a first input portion and a first output portion, wherein the first input portion of the control stage pump is in fluid communication with the fluid input; a main stage pump with a second input portion and a second output portion, wherein the second input portion of the main stage pump is in fluid communication with the fluid input and the first output portion of the contr…
Assignees
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Classifications
- F04C11/001Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9028222B2 cover?
- A variable output pump includes a fluid input, a control stage pump having an input portion and an output portion, a main stage pump having an input portion and an output portion, and a differential linkage in mechanical communication with the control stage pump and the main stage pump. The input portion of the control stage pump is in fluid communication with the fluid input and the input port…
- Who is the assignee on this patent?
- Perkinson Robert H, Hamilton Sundstrand Corp
- What technology area does this patent fall under?
- Primary CPC classification F04C11/001. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue May 12 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).