Cage segment of a segmented bearing cage
US-2024376932-A1 · Nov 14, 2024 · US
Hydraulic pump
US10215226B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10215226-B2 |
| Application number | US-201615750946-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 28, 2016 |
| Priority date | Aug 20, 2015 |
| Publication date | Feb 26, 2019 |
| Grant date | Feb 26, 2019 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A hydraulic pump having a rotary shaft rotatably supported with respect to a casing, the hydraulic pump including: a bearing part provided to one end side and the other end side of the rotary shaft; and a first annular member provided around the rotary shaft on at least one side of the one end side and the other end side of the rotary shaft. The bearing part on the one side has a support part which rotatably supports the rotary shaft, and a preload applying member which applies a preload in the axial direction to the support part. The first annular member is interposed between the bearing part of the one side and a receiving part of the rotary shaft in the axial direction, and an inner diameter of the first annular member is larger than a diameter of the rotary shaft.
First claim
Opening claim text (preview).
The invention claimed is: 1. A hydraulic pump having a rotary shaft rotatably supported with respect to a casing, the hydraulic pump comprising: a bearing part provided to one end side and the other end side of the rotary shaft; and a first annular member provided around the rotary shaft on at least one side of the one end side and the other end side of the rotary shaft, wherein the bearing part on the one side has: a support part which rotatably supports the rotary shaft, and a preload applying member which applies a preload in the axial direction to the support part, the first annular member is interposed between the bearing part of the one side and a receiving part of the rotary shaft in the axial direction, and an inner diameter of the first annular member is larger than a diameter of the rotary shaft. 2. The hydraulic pump according to claim 1 , wherein the support part has an inner race attached to the rotary shaft, an outer race attached to a housing, and a rolling element disposed between the inner race and the outer race, the preload applying member is interposed between the support part and the first annular member in the axial direction, and among the inner race and the outer race, a member on a side against which the preload applying member abuts is attached to the rotary shaft or the housing by a clearance fit. 3. The hydraulic pump according to claim 1 , wherein the support part has an inner race attached to the rotary shaft, an outer race attached to a housing, and a rolling element disposed between the inner race and the outer race, the support part is interposed between the preload applying member and the annular member in the axial direction, and among the inner race and the outer race, a member on a side against which the preload applying member abuts is attached to the rotary shaft or the housing by a clearance fit. 4. The hydraulic pump according to claim 1 , further comprising: a second annular member which is provided around the rotary shaft and is opposed to the bearing part in the axial direction, on the other side of the one end side and the other end side of the rotary shaft, and the inner diameter of the second annular member is larger than the outer diameter of the rotary shaft.
Assignees
Inventors
Classifications
- F16C19/364Primary
with tapered rollers, i.e. rollers having essentially the shape of a truncated cone · CPC title
with resilient means acting axially on a race ring to preload the bearing · CPC title
- F04B1/2085Primary
Bearings for swash plates or driving axles · CPC title
Pumps with cylinders or pistons · CPC title
with two angular contact rolling bearings · CPC title
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Frequently asked questions
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- What does patent US10215226B2 cover?
- A hydraulic pump having a rotary shaft rotatably supported with respect to a casing, the hydraulic pump including: a bearing part provided to one end side and the other end side of the rotary shaft; and a first annular member provided around the rotary shaft on at least one side of the one end side and the other end side of the rotary shaft. The bearing part on the one side has a support part w…
- Who is the assignee on this patent?
- Toyota Jidoshokki Kk
- What technology area does this patent fall under?
- Primary CPC classification F16C19/364. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Feb 26 2019 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).