Compressor unit
US-11053943-B2 · Jul 6, 2021 · US
Pump
US9429159B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9429159-B2 |
| Application number | US-201314102039-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 10, 2013 |
| Priority date | Dec 11, 2012 |
| Publication date | Aug 30, 2016 |
| Grant date | Aug 30, 2016 |
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- Title
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- Abstract
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- Assignees and inventors
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- First independent claim
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- CPC / IPC classifications
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Abstract
Official abstract text for this publication.
A pump includes a pump chamber in which a rotor with gates is supported so that it can rotate, an electric motor for driving the rotor, a muffler that encloses a volume in the area of the pump chamber, wherein the volume is in active connection with an outlet port and a front muffler that is arranged within the muffler. To improve the service life and reliability of the pump in a vehicle with minimal installation expense, it is proposed that a filter is integrated into the front muffler.
First claim
Opening claim text (preview).
The invention claimed is: 1. A pump, comprising: a pump chamber, a rotor with gates supported in said pump chamber so that said rotor can rotate, an electric motor operable for driving the rotor, a muffler that encloses a volume in the area of the pump chamber, wherein the volume is in active connection with an outlet port, a front muffler that is arranged within the muffler, a filter integrated into the front muffler, wherein the front muffler is formed in a ring with a conical frustum-shaped lateral surface molded on the inside, and wherein the filter is fastened in an annular groove formed on an end of the lateral surface with a smaller diameter. 2. The pump according to claim 1 , wherein the front muffler is made from an elastic material. 3. The pump according to claim 1 , wherein the front muffler is held in a clamping manner on an annular web of the muffler. 4. A pump, comprising: a pump chamber, a rotor with gates supported in said pump chamber so that said rotor can rotate, an electric motor operable for driving the rotor, a muffler that encloses a volume in the area of the pump chamber, wherein the volume is in active connection with an outlet port, a front muffler that is arranged within the muffler, a filter integrated into the front muffler, and wherein the front muffler is held in a clamping manner on an annular web of the muffler. 5. The pump according to claim 4 , wherein the front muffler is formed in a ring with a conical frustum-shaped lateral surface molded on the inside. 6. The pump according to claim 4 , wherein the front muffler is made from an elastic material. 7. The pump according to claim 5 , wherein the filter is fastened in an annular groove formed on an end of the lateral surface with a smaller diameter.
Assignees
Inventors
Classifications
for producing high vacuum (sealing arrangements F04C27/00; silencing F04C29/06) · CPC title
Casings or housings · CPC title
- F04C29/066Primary
with means to enclose the source of noise · CPC title
the silencing means being arranged inside the pump housing · CPC title
- F04C29/0092Primary
Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning · CPC title
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- What does patent US9429159B2 cover?
- A pump includes a pump chamber in which a rotor with gates is supported so that it can rotate, an electric motor for driving the rotor, a muffler that encloses a volume in the area of the pump chamber, wherein the volume is in active connection with an outlet port and a front muffler that is arranged within the muffler. To improve the service life and reliability of the pump in a vehicle with m…
- Who is the assignee on this patent?
- Hella Kgaa Hueck & Co
- What technology area does this patent fall under?
- Primary CPC classification F04C29/066. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 30 2016 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).