JP6505757B2 - グリース組成物、転がり軸受、およびモータ - Google Patents
グリース組成物、転がり軸受、およびモータ Download PDFInfo
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- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Description
R1−NHCONH−R2−NHCONH−R3・・・(1)
ここで、R1、R2、R3は、脂肪族炭化水素基、脂環族炭化水素基、芳香族炭化水素基から選ばれる炭化水素基である。
R1−NHCONH−R2−NHCONH−R3・・・(1)
ここで、R1、R2、R3は、脂肪族炭化水素基、脂環族炭化水素基、芳香族炭化水素基から選ばれる炭化水素基である。
R1−NHCONH−R2−NHCONH−R3・・・(1)
次に、本発明の実施例および比較例について説明する。実施例および比較例では、種々のグリース組成物を作製し、その特性について比較検討した。
10 モータ(ファンモータ)
11 ロータシャフト
12 ステータ
13 インペラ
14 ロータハウジング
15 羽根
16 ケーシング
20 転がり軸受
21 内輪
22 外輪
23 転動体
24 保持器
25 シール材
Claims (9)
- グリース組成物が封入されており、
前記グリース組成物は、
基油と、増ちょう剤と、分散剤0.2wt%以上とを含有し、
前記分散剤はカルボン酸金属塩、ポリカルボン酸の金属塩およびカルボン酸金属塩と炭化水素化合物との共重合体の少なくともいずれかを含み、前記分散剤は平均粒子径が0.5μm以上5μm以下であることを特徴とする転がり軸受。 - 前記グリース組成物において、
前記カルボン酸金属塩および前記ポリカルボン酸の金属塩の少なくとも一方は、ナトリウム塩、リチウム塩、カリウム塩のうち少なくとも一種を含むアルカリ金属塩、またはマグネシウム塩、カルシウム塩のうち少なくとも一種を含むアルカリ土類金属塩であることを特徴とする請求項1に記載の転がり軸受。 - 前記グリース組成物において、
前記カルボン酸金属塩と炭化水素化合物との共重合体を形成する前記カルボン酸金属塩は、ナトリウム塩、リチウム塩、カリウム塩のうち少なくとも一種を含むアルカリ金属塩、またはマグネシウム塩、カルシウム塩のうち少なくとも一種を含むアルカリ土類金属塩であることを特徴とする請求項1または2に記載の転がり軸受。 - 前記グリース組成物において、
前記分散剤の含有量は、5wt%以下であることを特徴とする請求項1から3のいずれか一項に記載の転がり軸受。 - 前記グリース組成物において、
前記増ちょう剤が下記一般式(1)で示されるジウレア化合物を含むことを特徴とする請求項1から3のいずれか一項に記載の転がり軸受。
R1−NHCONH−R2−NHCONH−R3・・・(1)
ここで、R1、R2、R3は、脂肪族炭化水素基、脂環族炭化水素基、芳香族炭化水素基から選ばれる炭化水素基である。 - グリース組成物が封入されており、
前記グリース組成物は、
基油と、下記一般式(1)で示されるジウレア化合物を含む増ちょう剤と、分散剤0.2wt%以上5%以下とを含有し、
前記分散剤はセバシン酸のナトリウム塩、ポリアクリル酸のナトリウム塩、およびマレイン酸ナトリウム塩とイソブチレンとの共重合体の少なくともいずれかを含み、
前記分散剤は平均粒子径が0.5μm以上5μm以下であることを特徴とする転がり軸受。
R1−NHCONH−R2−NHCONH−R3・・・(1)
ここで、R1、R2、R3は、脂肪族炭化水素基、脂環族炭化水素基、芳香族炭化水素基から選ばれる炭化水素基である。 - 請求項1から6のいずれか一項に記載の転がり軸受を備えていることを特徴とするモータ。
- 前記モータが、インペラを備えたファンモータであることを特徴とする請求項7に記載のモータ。
- 基油と、下記一般式(1)で示されるジウレア化合物を含む増ちょう剤と、分散剤0.2wt%以上5%以下とを含有し、
前記分散剤はセバシン酸のナトリウム塩、ポリアクリル酸のナトリウム塩、およびマレイン酸ナトリウム塩とイソブチレンとの共重合体の少なくともいずれかを含み、
前記分散剤は平均粒子径が0.5μm以上5μm以下である
ことを特徴とするグリース組成物。
R1−NHCONH−R2−NHCONH−R3・・・(1)
ここで、R1、R2、R3は、脂肪族炭化水素基、脂環族炭化水素基、芳香族炭化水素基から選ばれる炭化水素基である。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2017012863A JP6505757B2 (ja) | 2017-01-27 | 2017-01-27 | グリース組成物、転がり軸受、およびモータ |
CN201711055896.3A CN108359517A (zh) | 2017-01-27 | 2017-11-01 | 润滑脂组合物、滚动轴承和电动机 |
DE102018100358.7A DE102018100358A1 (de) | 2017-01-27 | 2018-01-09 | Schmierfettzusammensetzung, wälzlager und motor |
US15/873,955 US20180216026A1 (en) | 2017-01-27 | 2018-01-18 | Grease composition, rolling bearing, and motor |
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JP2017012863A JP6505757B2 (ja) | 2017-01-27 | 2017-01-27 | グリース組成物、転がり軸受、およびモータ |
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JP (1) | JP6505757B2 (ja) |
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US11746303B2 (en) | 2019-01-31 | 2023-09-05 | Idemitsu Kosan Co., Ltd. | Grease composition |
WO2021070888A1 (ja) * | 2019-10-10 | 2021-04-15 | Ntn株式会社 | 車軸用軸受、グリース組成物、および転がり玉軸受 |
EP4317381A1 (en) * | 2021-03-31 | 2024-02-07 | Idemitsu Kosan Co., Ltd | Grease composition |
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CA2034759C (en) * | 1988-08-01 | 2003-06-03 | Won R. Song | Novel ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives |
JP2002146376A (ja) * | 2000-11-10 | 2002-05-22 | Daizo:Kk | グリース組成物 |
JP2003042166A (ja) * | 2001-05-23 | 2003-02-13 | Nsk Ltd | 転がり軸受 |
US20040003391A1 (en) * | 2002-06-27 | 2004-01-01 | Koninklijke Philips Electronics N.V. | Method, system and program product for locally analyzing viewing behavior |
JP4883743B2 (ja) * | 2002-08-02 | 2012-02-22 | Ntn株式会社 | グリース組成物および該グリース組成物封入軸受 |
US7170927B2 (en) * | 2002-08-16 | 2007-01-30 | Texas Instruments Incorporated | Methods and apparatus for an ADSL transceiver |
JP4172242B2 (ja) * | 2002-10-04 | 2008-10-29 | 日本精工株式会社 | 導電性グリース組成物及び転動装置 |
JP2004224823A (ja) | 2003-01-20 | 2004-08-12 | Nsk Ltd | グリース組成物及び転動装置 |
JP2004002696A (ja) * | 2003-02-24 | 2004-01-08 | Nsk Ltd | グリース組成物 |
JP2004339448A (ja) | 2003-05-19 | 2004-12-02 | Nsk Ltd | グリース組成物、転がり軸受、及び電動モータ |
JP2007016168A (ja) * | 2005-07-08 | 2007-01-25 | Kyodo Yushi Co Ltd | 樹脂潤滑用グリース組成物及び減速装置 |
JP2007177123A (ja) * | 2005-12-28 | 2007-07-12 | Nippon Koyu Ltd | 水溶性ポリマー添加グリース |
JP2008274091A (ja) * | 2007-04-27 | 2008-11-13 | Cosmo Sekiyu Lubricants Kk | 耐火性グリース組成物 |
JP5738712B2 (ja) * | 2011-08-03 | 2015-06-24 | 協同油脂株式会社 | グリース組成物 |
GB2515479A (en) * | 2013-06-24 | 2014-12-31 | Nokia Corp | Acoustic music similarity determiner |
JP6675145B2 (ja) * | 2015-02-06 | 2020-04-01 | 出光興産株式会社 | グリース |
WO2016125859A1 (ja) * | 2015-02-05 | 2016-08-11 | 出光興産株式会社 | グリースおよびグリースの製造方法 |
-
2017
- 2017-01-27 JP JP2017012863A patent/JP6505757B2/ja active Active
- 2017-11-01 CN CN201711055896.3A patent/CN108359517A/zh active Pending
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2018
- 2018-01-09 DE DE102018100358.7A patent/DE102018100358A1/de active Pending
- 2018-01-18 US US15/873,955 patent/US20180216026A1/en not_active Abandoned
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DE102018100358A1 (de) | 2018-08-02 |
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US20180216026A1 (en) | 2018-08-02 |
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