JPH01113585A - Vertical refrigerant compressor - Google Patents
Vertical refrigerant compressorInfo
- Publication number
- JPH01113585A JPH01113585A JP27112287A JP27112287A JPH01113585A JP H01113585 A JPH01113585 A JP H01113585A JP 27112287 A JP27112287 A JP 27112287A JP 27112287 A JP27112287 A JP 27112287A JP H01113585 A JPH01113585 A JP H01113585A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- filter
- oil supply
- supply passage
- sliding portion
- 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.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 title claims abstract description 26
- 238000010586 diagram Methods 0.000 description 17
- 239000000446 fuel Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
Description
【発明の詳細な説明】 （イ）産業上の利用分野 本発明は縦型冷媒圧縮機の改良に関する。[Detailed description of the invention] (b) Industrial application field The present invention relates to improvements in vertical refrigerant compressors.
（ロ）従来の技術
従来此種の圧縮機はクランクシャフト下端部の給油ポン
プの油入口部の周囲に網状のフィルターを具備し、油の
中のゴミをこのフィルターによって分離し圧縮機の寿命
の低下を軽減しよりとしたもの（例えば、実開昭６１−
１２２３８５号公報参照）がある。(B) Conventional technology Conventionally, this type of compressor is equipped with a mesh filter around the oil inlet of the oil supply pump at the lower end of the crankshaft. Those that reduce the drop and make it stronger (for example,
122385).
（ハ）発明が解決しようとする問題点
しかし、此種Ｏ圧縮機においては、油が給油ポンプの油
入口部側のフィルターを通過するときに前記給油ポンプ
にて吸引されるので、圧力低下のため冷媒が発砲する。(c) Problems to be solved by the invention However, in this type of O compressor, the oil is sucked in by the oil supply pump when it passes through the filter on the oil inlet side of the oil supply pump, so there is no pressure drop. This causes the refrigerant to ignite.
この冷媒の気泡が給油ポンプへ入り、給油ポンプ°の能
力低下、軸受部への給油不足、軸受部の摩耗増加が発生
していた。These refrigerant bubbles entered the oil supply pump, causing a decrease in the performance of the oil supply pump, insufficient oil supply to the bearings, and increased wear on the bearings.
本発明は、前述した従来技術の問題に鑑みてなされたも
のであり、給油ポンプ内に冷媒の気泡が入らない圧縮機
を提供するものである。The present invention has been made in view of the problems of the prior art described above, and provides a compressor in which refrigerant bubbles do not enter the oil supply pump.
に）問題点を解決するための手段
本発明は前記従来技術の問題点を解決するために、クラ
ンクシャフト内に形成された給油通路の内部にフィルタ
ーを設けたものである。B) Means for Solving the Problems In order to solve the problems of the prior art, the present invention provides a filter inside the oil supply passage formed in the crankshaft.
（ホ）作用
フィルターを給油通路の外部に備えている従来の縦型冷
媒圧縮機においては、油を給油機構の油入口部から吸引
する時、フィルターを通る油は減圧されるので、油中の
冷媒が気泡となって発生する。(E) Function In a conventional vertical refrigerant compressor that is equipped with a filter outside the oil supply passage, when oil is sucked from the oil inlet of the oil supply mechanism, the pressure of the oil passing through the filter is reduced. Refrigerant forms bubbles.
これに対して、フィルターを給油通路内部に備えている
本発明の縦型冷媒圧縮機においては、フィルターを通る
油は給油通路入口からの油によって加圧されるので、油
中の冷媒が気泡となりに（（ゝ０
（へ）実施例
本発明の実施例を図面に基づき説明する。On the other hand, in the vertical refrigerant compressor of the present invention, which has a filter inside the oil supply passage, the oil passing through the filter is pressurized by the oil coming from the entrance of the oil supply passage, so the refrigerant in the oil becomes bubbles. ((ゝ0) Embodiment An embodiment of the present invention will be explained based on the drawings.
第１図は本発明における縦型冷媒圧縮機の説明図で、密
閉容器〔上部ケース（１）と下部ケース（２）とで構成
〕内に電動機要素を上側に圧縮機要素を下側に備えてい
る。FIG. 1 is an explanatory diagram of a vertical refrigerant compressor according to the present invention, which is equipped with a motor element on the upper side and a compressor element on the lower side in a closed container [consisting of an upper case (1) and a lower case (2)]. ing.
第２図から第６図は本発明縦型冷媒圧縮機における第１
実施例の要部説明図である。まず最初に第２図から説明
する。（３）は遠心力によつセ吸込口（４）から油を吸
収し、この油を各摺動部へ送るための遠心ポンプ、（５
）はクランクシャフト、（６）はこのクランクシャフト
（５）内に形成された給油通路、 （７）、（８）、
（９）は各摺動部へ給油するための給油口、（１０）は
前記給油通路（６）内に備えられているフィルターで、
このフィルター（１０）は発泡金属、焼結金属、金属繊
維あるいは合成樹脂等で形成されている。Figures 2 to 6 show the first part of the vertical refrigerant compressor of the present invention.
FIG. 2 is an explanatory diagram of main parts of the embodiment. First, explanation will be given from FIG. (3) is a centrifugal pump (5) that absorbs oil from the suction port (4) by centrifugal force and sends this oil to each sliding part.
) is a crankshaft, (6) is an oil supply passage formed in this crankshaft (5), (7), (8),
(9) is an oil supply port for supplying oil to each sliding part, (10) is a filter provided in the oil supply passage (6),
This filter (10) is made of foam metal, sintered metal, metal fiber, synthetic resin, or the like.
この圧縮機のクランクシャフト（５）部分の動きを、特
に油の動きに着目して説明する。The movement of the crankshaft (5) portion of this compressor will be explained with particular attention to the movement of oil.
クランクシャフト（５）が回転し始めると遠心ポンプ（
３）は油を吸込口（４）から吸込む。この吸込まれた油
はフィルター（５）の備えられている給油通路（５）内
部を上昇して給油口（７） 、 （８） 、（９）から
各摺動部へ給油される。このとき、油はフィルター（１
の内部を経由するので、この油中のゴミはフィルター（
１０）によって分離される。更に前記フィルター（１０
）内を通る油は吸込口（４）から吸込まれる油により加
圧されるので、冷媒の気泡が生じに（い。When the crankshaft (5) starts rotating, the centrifugal pump (
3) sucks oil from the suction port (4). This sucked oil rises inside the oil supply passage (5) provided with the filter (5) and is supplied to each sliding part from the oil supply ports (7), (8), and (9). At this time, the oil is filtered (1
Since the dirt in this oil passes through the inside of the filter (
10). Furthermore, the filter (10
) is pressurized by the oil sucked in from the suction port (4), which prevents refrigerant bubbles from forming ().
第３図から第５図は本発明縦型冷媒圧縮機における第１
実施例の他の実施例を示す要部説明図である。尚、これ
ら説明図には、同一部分には同一の符号をつげ、その説
明は省略する。（１１）、（１２）。3 to 5 show the first part of the vertical refrigerant compressor of the present invention.
FIG. 7 is an explanatory diagram of main parts showing another example of the embodiment. In these explanatory drawings, the same parts are denoted by the same reference numerals, and the explanation thereof will be omitted. (11), (12).
（１３）はそれぞれフィルターである。(13) are each a filter.
第６図は本発明縦型冷媒圧縮機における第１実施例の他
の実施例を示す説明図である。（１４）はクランクシャ
フト、（１５）は遠心ポンプ、（１６）は給油通路、（
１７） 、 （１８） ？ （１９） 、 （２のは給
油口、（２１）はフィルターである。そして、このクラ
ンクシャフト（１４）の動きは前記クランクシャフト（
５）とほぼ同じである。FIG. 6 is an explanatory diagram showing another embodiment of the first embodiment in the vertical refrigerant compressor of the present invention. (14) is the crankshaft, (15) is the centrifugal pump, (16) is the oil supply passage, (
17), (18)? (19), (2 is the fuel filler port, (21) is the filter.The movement of this crankshaft (14) is controlled by the crankshaft (2).
5) is almost the same.
第７図は本発明縦型冷媒圧縮機における第２実施例の説
明図である。（２２）はフィルターで、このフィルター
（２２）は給油通路（１６）の内壁に筒状に備えられて
いる。FIG. 7 is an explanatory diagram of a second embodiment of the vertical refrigerant compressor of the present invention. (22) is a filter, and this filter (22) is provided in a cylindrical shape on the inner wall of the oil supply passage (16).
このクランクシャフト（１４）内の油の動きを説明する
。このクランクシャフト（１４）内の油は、第２実施例
のものにおいては第１実施例のように給油通路（１６）
内の中心部にもフィルターが形成されているものに比べ
て給油通路（１６）内の中心部では流動抵抗が少ないの
で、上部側への給油口（１７） 、（１８）にも速やか
に送られる。The movement of oil within the crankshaft (14) will be explained. In the second embodiment, the oil in the crankshaft (14) flows through the oil supply passage (16) as in the first embodiment.
Since there is less flow resistance in the center of the oil supply passage (16) than in a case where a filter is also formed in the center of the oil supply passage, the oil can be quickly sent to the oil supply ports (17) and (18) on the upper side. It will be done.
第８図は本発明縦型冷媒圧縮機における第３実施例の説
明図である。（２３）はフィルターで、このフィルター
（２３）は給油通路（６）上部側ではフィルターの目が
密であり、かつ、給油通路（６）下部側ではフィルター
の目が粗である。FIG. 8 is an explanatory diagram of a third embodiment of the vertical refrigerant compressor of the present invention. (23) is a filter, and this filter (23) has a dense mesh on the upper side of the oil supply passage (6), and a coarse mesh on the lower side of the oil supply passage (6).
前記フィルター（２３）は、フィルターの目を粗から密
まで有しているので油中のゴミを大きなものから小さな
ものまで分離することができる。Since the filter (23) has filter meshes ranging from coarse to fine, it is possible to separate dirt in the oil from large particles to small particles.
第９図は本発明縦型冷媒圧縮機における第３実施例の他
の実施例を示す説明図である。（２４）はフィルターで
、給油通路（１６）向上部ではフィルターの目が密であ
り、かつ、給油通路（１６）内下部ではフィルターの目
が密である。FIG. 9 is an explanatory diagram showing another embodiment of the third embodiment of the vertical refrigerant compressor of the present invention. Reference numeral (24) denotes a filter, and the mesh of the filter is dense in the upper part of the oil supply passage (16), and the mesh of the filter is dense in the lower part of the interior of the oil supply passage (16).
尚、第１実施例の第２図、第５図および第６図に示すも
のは、油をフィルター（６） 、 （１３） 、 （２
１）内に保持する力が大きいので、クランクシャフト（
５）。In addition, in the first embodiment shown in FIGS. 2, 5, and 6, oil is filtered through filters (6), (13), and (2).
1) Since the force held within the crankshaft (
5).
（１４）の低速回転時にもすぐに各摺動部へ供給できる
。(14) It can be immediately supplied to each sliding part even during low speed rotation.
（ト）発明の効果
本発明の縦型冷媒圧縮機においては、フィルターを給油
通路内部に備えているので油中の冷媒が気泡となりにく
い。このため、各摺動部へ給油が確実になされ、各摺動
部への給油不足、給油ポンプの能力低下、各摺動部の摩
耗増加を極力抑えることができる。(G) Effects of the Invention In the vertical refrigerant compressor of the present invention, since the filter is provided inside the oil supply passage, the refrigerant in the oil is less likely to form bubbles. Therefore, each sliding part is reliably supplied with oil, and insufficient oil supply to each sliding part, a decrease in the performance of the oil supply pump, and an increase in wear of each sliding part can be suppressed as much as possible.
第１図は本発明における縦型冷媒圧縮機の説明図、第２
図は給油通路および給油口にフィルターを配備した例の
説明図、第３図は吸込口径路にフィルターを配備した例
の説明図、第４図は給油通路の一部にフィルターを配備
した例の説明図、第５図は給油通路の全部にフィルター
を配備した例の説明図、第６図は遠心式給油ポンプの給
油通路および給油口にフィルターを配備した例の説明図
。
第７図は遠心式の給油ポンプの給油通路に筒状のフィル
ターを配備した例の説明図、第８図は強制式の給油ポン
プの給油通路に目の大きさの異なるフィルターを配備し
た例の説明図、第９図は遠心式の給油ポンプの給油通路
に目の大きさの異なるフィルターを配備した例の説明図
である。
（６）、（１６）・・・給油通路、 （７）、（ｓ
）、（９）、（ｉ７Ｌ（１８） 、（１９） 、 （２
０）・・・給油口、 （ｉｏ） 、 （ｕ） ｔ （
１２） ｔ（ｉ３） ５（２１） 、 （２２） 、
（２３） 、 （２４ル・フィルター。Figure 1 is an explanatory diagram of the vertical refrigerant compressor in the present invention, Figure 2
The figure is an explanatory diagram of an example in which a filter is installed in the fuel supply passage and the fuel inlet, Figure 3 is an explanatory diagram in an example in which a filter is installed in the suction port path, and Figure 4 is an explanatory diagram of an example in which a filter is installed in a part of the fuel supply passage. FIG. 5 is an explanatory diagram of an example in which a filter is provided in the entire oil supply passage, and FIG. 6 is an explanatory diagram in which a filter is provided in the oil supply passage and the oil supply port of a centrifugal oil supply pump. Figure 7 is an explanatory diagram of an example in which a cylindrical filter is installed in the oil supply passage of a centrifugal oil supply pump, and Figure 8 is an explanatory diagram of an example in which filters with different mesh sizes are installed in the oil supply passage of a forced oil supply pump. An explanatory diagram, FIG. 9, is an explanatory diagram of an example in which filters with different mesh sizes are provided in the oil supply passage of a centrifugal oil supply pump. (6), (16)... Refueling passage, (7), (s
), (9), (i7L(18), (19), (2
0)...Refueling port, (io), (u) t (
12) t(i3) 5(21) , (22) ,
(23), (24 filter.
Claims (3)
向に備え、かつ、クランクシャフト内に形成された給油
通路を備えている縦型冷媒圧縮機において、前記給油通
路内部にはフィルターを有していることを特徴とする縦
型冷媒圧縮機。(1) In a vertical refrigerant compressor that includes an electric motor element and a compressor element vertically in a closed container, and also has an oil supply passage formed in the crankshaft, a filter is provided inside the oil supply passage. A vertical refrigerant compressor characterized by having:
備えられていることを特徴とする特許請求の範囲第１項
記載の縦型冷媒圧縮機。(2) The vertical refrigerant compressor according to claim 1, wherein the filter is provided in a cylindrical shape on the inner circumferential wall of the oil supply passage.
ルターの目が粗であり、かつ、給油通路の他方側ではフ
ィルターの目が密であることを特徴とする特許請求の範
囲第１項または第２項記載の縦型冷媒圧縮機。(3) The filter has a coarse mesh on one side of the oil supply passage, and a dense mesh on the other side of the oil supply passage. 2. The vertical refrigerant compressor according to item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27112287A JPH01113585A (en) | 1987-10-26 | 1987-10-26 | Vertical refrigerant compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27112287A JPH01113585A (en) | 1987-10-26 | 1987-10-26 | Vertical refrigerant compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113585A true JPH01113585A (en) | 1989-05-02 |
Family
ID=17495637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27112287A Pending JPH01113585A (en) | 1987-10-26 | 1987-10-26 | Vertical refrigerant compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113585A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008190448A (en) * | 2007-02-06 | 2008-08-21 | Matsushita Electric Ind Co Ltd | Filter and refrigerant compressor |
| DE10111484B4 (en) * | 2000-03-16 | 2009-02-19 | Hitachi, Ltd. | Control device for an internal combustion engine |
-
1987
- 1987-10-26 JP JP27112287A patent/JPH01113585A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10111484B4 (en) * | 2000-03-16 | 2009-02-19 | Hitachi, Ltd. | Control device for an internal combustion engine |
| JP2008190448A (en) * | 2007-02-06 | 2008-08-21 | Matsushita Electric Ind Co Ltd | Filter and refrigerant compressor |
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