JP4862058B2 - 動力伝達部の潤滑構造 - Google Patents
動力伝達部の潤滑構造 Download PDFInfo
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- JP4862058B2 JP4862058B2 JP2009068532A JP2009068532A JP4862058B2 JP 4862058 B2 JP4862058 B2 JP 4862058B2 JP 2009068532 A JP2009068532 A JP 2009068532A JP 2009068532 A JP2009068532 A JP 2009068532A JP 4862058 B2 JP4862058 B2 JP 4862058B2
- Authority
- JP
- Japan
- Prior art keywords
- power transmission
- refrigerant
- lubricating
- composite fluid
- transmission unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lubricants (AREA)
- General Details Of Gearings (AREA)
Description
μ = ρ × ν
= 1730[kg/m3] × 0.55×10−6[m2/s]
= 0.0009515[Pa・s]
とされる。なお、この実施形態に係る潤滑油24の25[℃]での粘度、密度は、それぞれ略0.043[Pa・s]、略844.7[kg/m3]である。また、この実施形態に係る冷媒26の沸点は、大気圧で略80[℃]とされている。
T’= exp(−τ)
の関係を満たす。そして、鉄塊46の温度(変数)をT、初期温度をT0、飽和温度をTsatとすると、
T’= (T−T0)/(Tsat−T0)
であるから、鉄塊46の温度Tは、
T = T0+(Tsat−T0)×exp(−τ)
となる。
τc= C×ρ×V/(α×A)
として、
τ = t/τc
となるので、鉄塊46の温度Tは、
T = T0+(Tsat−T0)×exp(−t/τc)
となることが解る。
次に、本発明の第2の実施形態を説明する。なお、上記第1の実施形態と基本的に同一の部分等については、上記第1の実施形態と同一の符号を付して説明を省略する。図10には、本発明の第2の実施形態に係る動力伝達部の潤滑構造60が図1に対応する模式的な断面図にて示されている。この図に示される如く、動力伝達部の潤滑構造60は、ハウジング14に連通した圧力調整要素としてのバッファ部62を備えている点で、第1の実施形態に係る動力伝達部の潤滑構造10とは異なる。
12 動力伝達要素
14 ハウジング
16 歯車列(動力伝達要素)
20 歯車(撹拌要素、回転部材)
22 複合流体
24 潤滑油
26 冷媒
60 動力伝達部の潤滑構造
62 バッファ部(圧力調整要素)
66 熱交換器(冷却要素)
Claims (5)
- 動力伝達要素と、
前記動力伝達要素を潤滑するための潤滑液と、該潤滑液に対する非相溶性の冷媒との複合流体と、
前記動力伝達要素の潤滑に供される前記複合流体を撹拌する撹拌要素と、
を備えた動力伝達部の潤滑構造。 - 前記冷媒として、前記潤滑液よりも粘度の低い冷媒が用いられている請求項1記載の動力伝達部の潤滑構造。
- 前記冷媒としてフッ素系冷媒が用いられている請求項1又は請求項2記載の動力伝達部の潤滑構造。
- 前記動力伝達要素を収容し、底部に前記複合流体を貯留させるハウジングをさらに備え、
前記撹拌要素は、前記ハウジングの底部に貯留された前記複合流体に浸漬され、前記動力伝達要素の一部を構成する回転部材を含んで構成されている請求項1〜請求項3の何れか1項記載の動力伝達部の潤滑構造。 - 前記冷媒として、前記動力伝達要素の作動温度よりも沸点が低い冷媒が用いられており、
気化した前記冷媒の圧力によって膨張可能な圧力調整要素と、気化した前記冷媒を冷却するための冷却要素とをさらに備えた請求項1〜請求項4の何れか1項記載の動力伝達部の潤滑構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009068532A JP4862058B2 (ja) | 2009-03-19 | 2009-03-19 | 動力伝達部の潤滑構造 |
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JP2009068532A JP4862058B2 (ja) | 2009-03-19 | 2009-03-19 | 動力伝達部の潤滑構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010223261A JP2010223261A (ja) | 2010-10-07 |
JP4862058B2 true JP4862058B2 (ja) | 2012-01-25 |
Family
ID=43040679
Family Applications (1)
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JP2009068532A Expired - Fee Related JP4862058B2 (ja) | 2009-03-19 | 2009-03-19 | 動力伝達部の潤滑構造 |
Country Status (1)
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JP (1) | JP4862058B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011202719A (ja) * | 2010-03-25 | 2011-10-13 | Toyota Motor Corp | 潤滑装置 |
US9416332B2 (en) | 2010-11-17 | 2016-08-16 | GM Global Technology Operations LLC | Gear assembly and gear oil composition |
CN110596179A (zh) * | 2019-09-20 | 2019-12-20 | 贵州工程应用技术学院 | 一种石墨烯改性润滑油的发动机润滑油实验装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2850983B2 (ja) * | 1989-07-05 | 1999-01-27 | 株式会社ジャパンエナジー | 潤滑油 |
JP2008116018A (ja) * | 2006-11-08 | 2008-05-22 | Toyota Motor Corp | 動力伝達装置 |
WO2008120536A1 (ja) * | 2007-03-29 | 2008-10-09 | Nippon Oil Corporation | 冷凍機油組成物及び冷凍機用作動流体組成物 |
JP5060335B2 (ja) * | 2008-02-15 | 2012-10-31 | 出光興産株式会社 | 冷凍機油組成物 |
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2009
- 2009-03-19 JP JP2009068532A patent/JP4862058B2/ja not_active Expired - Fee Related
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JP2010223261A (ja) | 2010-10-07 |
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