JP2707809B2 - Scroll type fluid machine - Google Patents
Scroll type fluid machineInfo
- Publication number
- JP2707809B2 JP2707809B2 JP16780890A JP16780890A JP2707809B2 JP 2707809 B2 JP2707809 B2 JP 2707809B2 JP 16780890 A JP16780890 A JP 16780890A JP 16780890 A JP16780890 A JP 16780890A JP 2707809 B2 JP2707809 B2 JP 2707809B2
- Authority
- JP
- Japan
- Prior art keywords
- scroll
- hole
- recess
- oil
- frame
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0269—Details concerning the involute wraps
- F04C18/0292—Ports or channels located in the wrap
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は、冷媒の圧縮機等として利用され、その作動
室内に、作動流体の冷却やシール等を行うため、油をイ
ンジェクションするようにしたスクロール形流体機械に
関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention is used as a compressor of a refrigerant and the like, in which oil is injected into a working chamber to cool or seal a working fluid. The present invention relates to a scroll type fluid machine.
(従来の技術) 従来、この種油インジェクション機構を備えたスクロ
ール形流体機械は、例えば特開昭61−187584号公報等で
広く知られている。(Prior Art) Conventionally, a scroll type fluid machine provided with this kind of oil injection mechanism is widely known, for example, from Japanese Patent Application Laid-Open No. 61-187584.
この場合、油インジェクションの通路構成として、機
械本体内に設ける油ポンプの送油ラインを利用するもの
等、スクロールの支持を行う架構側から延びる給油穴を
作動室に連通させるものでは、第6図に示すように、固
定スクロール(F)の支持脚(M)の下面から上方に延
びる第1非貫通穴(P)と、鏡板(N)の側方から水平
に延び、開口端に詰栓(D)を行う第2非貫通穴(Q)
及び作動室(W)に開口する第3非貫通穴(R)との合
計3つの非貫通穴を設けている。In this case, as a configuration of the oil injection passage, an oil supply hole extending from the frame supporting the scroll is communicated with the working chamber, such as one using an oil supply line of an oil pump provided in the machine main body. As shown in (1), a first non-through hole (P) extending upward from the lower surface of the support leg (M) of the fixed scroll (F), extends horizontally from the side of the end plate (N), and has a plug ( Second non-through hole (Q) for D)
And a third non-through hole (R) that opens into the working chamber (W).
(発明が解決しようとする課題) しかし、第6図に示す構造では、3つの穴加工を要
し、しかも各穴は非貫通構造であるため、加工が煩雑と
なる問題がある。特に、第2非貫通穴(Q)は鏡板
(N)の側壁に開口され、かつ、この第2非貫通穴
(Q)は、架構側の送油ラインに対応して開口される第
1非貫通穴(P)と、インジェクションすべき位置に開
口される第3非貫通穴(R)との合計2つの所定位置に
開口される穴を相互に連結するものだから、加工上の制
約が多く、加工性が悪い問題がある。(Problems to be Solved by the Invention) However, the structure shown in FIG. 6 requires three holes, and each hole has a non-penetrating structure. In particular, the second non-through hole (Q) is opened in the side wall of the end plate (N), and the second non-through hole (Q) is opened in correspondence with the frame side oil supply line. The through holes (P) and the third non-through holes (R) opened at the position to be injected interconnect the holes opened at a total of two predetermined positions, so that there are many restrictions on processing, There is a problem with poor workability.
又、通常、油インジェクションは、スクロール間に画
成する一対の作動室に対して行うから、第6図に示した
第3非貫通穴(R)の対称位置に設ける他のインジェク
ション穴にも第1非貫通穴(P)を連通させる必要があ
り、一層加工が煩雑となる問題がある。Also, since oil injection is normally performed on a pair of working chambers defined between scrolls, other injection holes provided at symmetrical positions of the third non-through hole (R) shown in FIG. (1) It is necessary to communicate the non-through holes (P), and there is a problem that processing becomes more complicated.
本発明の主な目的は、油インジェクションのための通
路構成を容易にして加工性を向上することができるスク
ロール形流体機械を提供することにある。A main object of the present invention is to provide a scroll-type fluid machine capable of easily configuring a passage for oil injection and improving workability.
(課題を解決するための手段) そこで、本発明では、上記目的を達成するため、密閉
ケーシング(10)の内部において該密閉ケーシング(1
0)に固定された架構(3)と、該架構(3)上に固定
された固定スクロール(1)と、前記架構(3)に、鉛
直な回転軸周りに回転可能に支持された駆動軸(22)
と、前記架構(3)に対して回動可能に支持されるとと
もに、前記駆動軸(22)の回転により前記固定スクロー
ル(1)に対して公転するように配された可動スクロー
ル(2)とを備え、前記固定スクロール(1)および前
記可動スクロール(2)はそれぞれ、互いに対向する面
に渦巻体(a)(b)を突設した鏡板(A)(B)を有
し、前記渦巻体(a)(b)間に画成される作動室
(4)に油インジェクションを行なうようにしたスクロ
ール形流体機械において、前記固定スクロール(1)に
は、前記鏡板(A)の上面に環状の凹部(5)を設ける
とともに、前記架構(3)側から延び且つ前記凹部
(5)に開口するように、前記駆動軸(22)の下端に配
設された油ポンプの油を導く給油穴(6)と、前記作動
室(4)に連通されかつ前記凹部(5)に開口する注油
穴(7)とを設けたものである。(Means for Solving the Problems) Accordingly, in the present invention, in order to achieve the above object, the closed casing (1) is provided inside the closed casing (10).
0), a fixed scroll (1) fixed on the frame (3), and a drive shaft rotatably supported on the frame (3) around a vertical rotation axis. (twenty two)
A movable scroll (2) rotatably supported by the frame (3) and revolving with respect to the fixed scroll (1) by rotation of the drive shaft (22); And the fixed scroll (1) and the movable scroll (2) have end plates (A) and (B) having spiral bodies (a) and (b) protruding on surfaces facing each other, respectively. (A) In a scroll-type fluid machine in which oil is injected into a working chamber (4) defined between (b) and (b), the fixed scroll (1) has an annular shape on an upper surface of the end plate (A). A recess (5) is provided, and an oil supply hole (5) extending from the frame (3) side and guiding oil of an oil pump disposed at a lower end of the drive shaft (22) so as to open to the recess (5). 6) and the working chamber (4) and A lubrication hole (7) is provided in the recess (5).
又、第2に、上記第1の構成において、給油穴(6)
を、固定スクロール(1)における支持脚(8)の下面
と、凹部(5)の外周壁(51)を避けた底面(52)との
間を斜めに結ぶ傾斜穴(61)とした。Secondly, in the first configuration, the lubrication hole (6)
Is an inclined hole (61) that diagonally connects the lower surface of the support leg (8) of the fixed scroll (1) and the bottom surface (52) of the recess (5) avoiding the outer peripheral wall (51).
更に、第3に、上記第1の構成において、給油穴
(6)を固定スクロール(1)における支持脚(8)の
下面から上方に向けて鉛直に延びる鉛直穴(62)とし、
凹部(5)の外周壁(51)に、鉛直穴(62)を凹部
(5)の底面(52)に開放させる切欠部(53)を設け
た。Thirdly, in the first configuration, the oil supply hole (6) is a vertical hole (62) extending vertically upward from the lower surface of the support leg (8) of the fixed scroll (1),
A notch (53) for opening the vertical hole (62) to the bottom surface (52) of the recess (5) is provided in the outer peripheral wall (51) of the recess (5).
又、第4に、上記第1〜第3の各構成で、凹部(5)
の上面部に蓋体(9)を被せた。Fourth, in each of the first to third configurations, the concave portion (5)
Was covered with a lid (9).
(作用) 給油穴(6)と注油穴(7)とは凹部(5)を介して
互いに連通され、これら給油穴(6)及び注油穴(7)
はいずれも凹部(5)に対してその一端を開放させるだ
けでよいから、加工上の制約を少なくでき、通路構成を
容易化できる。(Operation) The lubrication hole (6) and the lubrication hole (7) are communicated with each other via the recess (5), and these lubrication hole (6) and lubrication hole (7) are provided.
In each case, it is only necessary to open one end to the concave portion (5), so that restrictions on processing can be reduced and the passage configuration can be simplified.
この場合、第2の手段によれば、1本の傾斜穴(61)
を通し穴加工するだけで、凹部(5)に油を開放でき、
その通路構成を簡素化できる。又、第3の手段によれ
ば、鉛直穴(62)としたことにより、固定スクロール
(1)に対する穴加工を容易化できる。In this case, according to the second means, one inclined hole (61)
The oil can be released to the recess (5) simply by machining through holes
The configuration of the passage can be simplified. Further, according to the third means, by forming the vertical holes (62), it is possible to easily form holes in the fixed scroll (1).
更に、第4の手段によれば、凹部(5)に開放される
油の漏れを防止できると共に、油の送り出し側から供給
側にかけてその通路を密閉状にでき、良好な油注入が行
える。Further, according to the fourth means, it is possible to prevent the oil leaked to the concave portion (5) from leaking, and it is possible to seal the passage from the oil supply side to the oil supply side, so that good oil injection can be performed.
(実施例) 第1図に示すものは、冷凍装置の圧縮機として用いた
スクロール形流体機械であり、密閉ケーシング(10)の
内部に、鏡板(A)(B)に渦巻体(a)(b)を各々
突設した固定及び可動スクロール(1)(2)を備え、
前記固定スクロール(1)をその外周部に設ける支持脚
(8)を介して架構(3)に支持すると共に、前記可動
スクロール(2)を架構(3)に設けるスラスト支持面
(31)に回動自由に支持させている。(Embodiment) FIG. 1 shows a scroll type fluid machine used as a compressor of a refrigerating apparatus. Inside a sealed casing (10), end plates (A) and (B) are provided with spiral bodies (a) and (a). b) fixed and movable scrolls (1) and (2), each of which protrudes,
The fixed scroll (1) is supported on a frame (3) via support legs (8) provided on the outer periphery thereof, and the movable scroll (2) is turned on a thrust support surface (31) provided on the frame (3). They are freely supported.
そして、前記可動スクロール(2)のボス部(21)
に、駆動軸(22)のピン部(23)を嵌合し、下部に配設
するモータ(24)の駆動により、前記可動スクロール
(2)を固定スクロール(1)に対し公転駆動し、吸入
管(11)からケーシング(10)内に取り込む吸入ガス
を、前記渦巻体(a)(b)間に画成する作動室(4)
で圧縮し、圧縮後の高圧ガスを、渦巻中心部の吐出穴
(12)から隔壁(13)で画成する吐出チャンバー(14)
に吐出し、油分離器(15)を通過させた後、吐出管(1
6)から外部に取出すようにしている。The boss (21) of the orbiting scroll (2)
The movable scroll (2) is revolved with respect to the fixed scroll (1) by driving a motor (24) provided at a lower portion of the movable shaft (23). A working chamber (4) defining a suction gas taken into the casing (10) from the pipe (11) between the spiral bodies (a) and (b);
A discharge chamber (14) in which compressed high-pressure gas is defined by a partition (13) from a discharge hole (12) in the center of the spiral.
After passing through the oil separator (15),
6) to take out to the outside.
又、前記駆動軸(22)の内部には、下端に設ける油ポ
ンプから延びる給油通路(25)を設け、該給油通路(2
5)に汲み上げる油を主軸受(26)やピン部軸受(27)
等に供給するようにしている。An oil supply passage (25) extending from an oil pump provided at a lower end is provided inside the drive shaft (22).
5) Pumping oil to the main bearing (26) and pin bearing (27)
And so on.
以上の構成で、第2図にも明示するように、前記固定
スクロール(1)における鏡板(A)の上面に、外周壁
(51)と、前記隔壁(13)への嵌合部(17)の裾部(1
8)とを残して、環状の凹部(5)を設け、この凹部
(5)に、前記主軸受(26)から架構(3)内に設ける
送油ライン(28)と連通する給油穴(6)と、圧縮行程
途中における各作動室(4)に連通する一対の注油穴
(7)(7)とを開口する。With the above configuration, as clearly shown in FIG. 2, an outer peripheral wall (51) and a fitting portion (17) to the partition (13) are provided on the upper surface of the end plate (A) in the fixed scroll (1). Hem (1
8), an annular recess (5) is provided, and in the recess (5), an oil supply hole (6) communicating from the main bearing (26) to an oil feed line (28) provided in the frame (3). ) And a pair of lubrication holes (7) (7) communicating with the respective working chambers (4) during the compression stroke.
これによれば、前記給油穴(6)と各注油穴(7)
(7)とは前記凹部(5)を介して互いに連通され、前
記給油穴(6)及び各注油穴(7)(7)はいずれも凹
部(5)に対してその一端を開放させるだけでよいか
ら、加工上の制約を少なくでき、油インジェクションの
通路構成を容易化できて、その加工性を向上することが
できる。According to this, the lubrication hole (6) and each lubrication hole (7)
(7) is communicated with each other via the recess (5), and each of the lubrication holes (6) and each of the lubrication holes (7) (7) only has one end opened to the recess (5). For this reason, restrictions on processing can be reduced, the configuration of the oil injection passage can be simplified, and the workability can be improved.
又、この場合、前記給油穴(6)は、前記固定スクロ
ール(1)における支持脚(8)の下面と、前記凹部
(5)の外周壁(51)を避けた底面(52)との間の斜め
に結ぶ傾斜穴(61)で形成している。In this case, the oil supply hole (6) is provided between the lower surface of the support leg (8) of the fixed scroll (1) and the bottom surface (52) of the concave portion (5) avoiding the outer peripheral wall (51). It is formed by an inclined hole (61) connecting diagonally.
これによれば、1本の通し穴加工により、前記送油ラ
イン(28)を凹部(5)に開放させることができ、その
構成を簡素化できる。According to this, the oil supply line (28) can be opened to the concave portion (5) by processing one through hole, and the configuration can be simplified.
ところで、給油穴(6)は、傾斜穴(61)とする他、
第3図に示すように、固定スクロール(1)における支
持脚(8)の下面から上方に向けて鉛直に延びる鉛直穴
(62)としてもよく、この場合には、凹部(5)の外周
壁(51)に、前記鉛直穴(62)を凹部(5)の底面(5
2)に開放させる切欠部(53)を設ける。By the way, besides making the lubrication hole (6) an inclined hole (61),
As shown in FIG. 3, a vertical hole (62) extending vertically upward from the lower surface of the support leg (8) of the fixed scroll (1) may be used. In this case, the outer peripheral wall of the concave portion (5) In (51), the vertical hole (62) is inserted into the bottom (5) of the recess (5).
Provide a notch (53) to be opened in 2).
これによれば、固定スクロール(1)に対する穴加工
は鉛直方向つまり軸方向のみとなり、穴加工を容易化で
きる。According to this, drilling of the fixed scroll (1) is performed only in the vertical direction, that is, only in the axial direction, and drilling can be facilitated.
尚、前記給油穴(6)は1本の穴で構成する他、第4
図に示すように、上端部に詰栓(63)を嵌合する鉛直方
向の第1穴(64)と、外側端部に詰栓(65)を嵌合し、
前記第1穴(64)を外周壁(51)の部分で凹部(5)に
開放させる水平方向の第2穴(66)との2つの穴で構成
してもよい。The lubrication hole (6) is formed by one hole,
As shown in the figure, a first hole (64) in the vertical direction for fitting the plug (63) at the upper end and a plug (65) at the outer end are fitted.
The first hole (64) may be composed of two holes, the second hole (66) in the horizontal direction, which is opened to the concave portion (5) at the outer peripheral wall (51).
更に、以上の各構成において、第5図に示すように、
凹部(5)の上面部に、環状板形の蓋体(9)を被せて
もよい。Further, in each of the above configurations, as shown in FIG.
An annular plate-shaped lid (9) may be placed on the upper surface of the recess (5).
この場合には、前記凹部(5)に汲上げられた油がケ
ーシング(10)の内部に漏れるのを防止できると共に、
注油経路をその送り出し側から供給側にかけて密閉状に
でき、良好な注油入が行える。In this case, it is possible to prevent the oil pumped into the recess (5) from leaking into the casing (10), and
The lubrication path can be sealed from the feed side to the supply side, and good lubrication can be performed.
(発明の効果) 以上のように、本発明では、固定スクロール(1)に
おける鏡板(A)の上面に、環状の凹部(5)を設け
て、この凹部(5)に、前記架構(3)側から延び且つ
前記可動スクロール(2)の駆動軸(22)の下端に設け
る油ポンプの油を導く給油穴(6)と、作動室(4)に
連通される注油穴(7)とを開口したから、油インジェ
クションのための通路を容易に構成でき、加工性を向上
することができる。又、油ポンプからの油を、給油穴
(6)を介して一旦環状の凹部(5)に開放した後、注
油穴(7)から作動室(4)に落し込むから、油ポンプ
による積極的な給油が行えながら、作動室(4)内に安
定して油を供給することができる。(Effect of the Invention) As described above, in the present invention, the annular recess (5) is provided on the upper surface of the end plate (A) in the fixed scroll (1), and the frame (3) is provided in the recess (5). An oil supply hole (6) that extends from the side and guides oil from an oil pump provided at the lower end of the drive shaft (22) of the orbiting scroll (2) and an oil supply hole (7) that communicates with the working chamber (4) are opened. Therefore, a passage for oil injection can be easily formed, and workability can be improved. In addition, since the oil from the oil pump is once released into the annular recess (5) through the oil supply hole (6) and then dropped into the working chamber (4) from the oil supply hole (7), the oil pump is actively used. The oil can be stably supplied into the working chamber (4) while the oil can be supplied smoothly.
又、給油穴(6)を、固定スクロール(1)における
支持脚(8)の下面と、凹部(5)の外周壁(51)を避
けた底面(52)との間を斜めに結ぶ傾斜穴(61)とする
場合、その通路構成を簡素化できる。Also, an inclined hole for connecting the oil supply hole (6) diagonally between the lower surface of the support leg (8) of the fixed scroll (1) and the bottom surface (52) of the recess (5) avoiding the outer peripheral wall (51). In the case of (61), the configuration of the passage can be simplified.
更に、給油穴(6)を固定スクロール(1)における
支持脚(8)の下面から上方に向けて鉛直に延びる鉛直
穴(62)とし、凹部(5)の外周壁(51)に、鉛直穴
(62)を凹部(5)の底面(52)に開放させる切欠部
(53)を設ける場合には、前記固定スクロール(1)に
対する穴加工を容易化できる。Further, the refueling hole (6) is a vertical hole (62) extending vertically upward from the lower surface of the support leg (8) of the fixed scroll (1), and the outer peripheral wall (51) of the concave portion (5) is provided with a vertical hole. When a notch (53) for opening the (62) to the bottom surface (52) of the recess (5) is provided, it is possible to easily form a hole in the fixed scroll (1).
その上、凹部(5)の上面部に蓋体(9)を被せる場
合には、前記凹部(5)の油漏れを防止できると共に良
好な油注入が行える。In addition, when the lid (9) is put on the upper surface of the concave portion (5), oil leakage from the concave portion (5) can be prevented and good oil injection can be performed.
第1図は本発明にかかるスクロール形流体機械の第1実
施例を示す断面図、第2図はその固定スクロールの斜視
図、第3図は第2実施例を示す要部斜視図、第4図は第
3実施例を示す要部斜視図、第5図は第4実施例を示す
要部断面図、第6図は従来例の断面図である。 (1)……固定スクロール (2)……可動スクロール (3)……架構 (4)……作動室 (5)……凹部 (6)……給油穴 (7)……注油穴 (8)……支持脚 (9)……蓋体 (51)……外周壁 (52)……底面 (53)……切欠部 (61)……傾斜穴 (62)……鉛直穴 (A)(B)……鏡板 (a)(b)……渦巻体FIG. 1 is a sectional view showing a first embodiment of a scroll type fluid machine according to the present invention, FIG. 2 is a perspective view of the fixed scroll, FIG. 3 is a perspective view of a main part showing a second embodiment, FIG. FIG. 5 is a perspective view of a principal part showing a third embodiment, FIG. 5 is a sectional view of a principal part showing a fourth embodiment, and FIG. 6 is a sectional view of a conventional example. (1) ... fixed scroll (2) ... movable scroll (3) ... frame (4) ... working chamber (5) ... recess (6) ... oiling hole (7) ... oiling hole (8) ... Support legs (9) ... Lid (51) ... Outer peripheral wall (52) ... Bottom surface (53) ... Notch (61) ... Inclined hole (62) ... Vertical hole (A) (B) )… End plate (a) (b)… spiral body
Claims (4)
閉ケーシング(10)に固定された架構(3)と、該架構
(3)上に固定された固定スクロール(1)と、前記架
構(3)に、鉛直な回転軸周りに回転可能に支持された
駆動軸(22)と、前記架構(3)に対して回動可能に支
持されるとともに、前記駆動軸(22)の回転により前記
固定スクロール(1)に対して公転するように配された
可動スクロール(2)とを備え、前記固定スクロール
(1)および前記可動スクロール(2)はそれぞれ、互
いに対向する面に渦巻体(a)(b)を突設した鏡板
(A)(B)を有し、前記渦巻体(a)(b)間に画成
される作動室(4)に油インジェクションを行なうよう
にしたスクロール形流体機械において、前記固定スクロ
ール(1)には、前記鏡板(A)の上面に環状の凹部
(5)を設けるとともに、前記架構(3)側から延び且
つ前記凹部(5)に開口するように、前記駆動軸(22)
の下端に配設された油ポンプの油を導く給油穴(6)
と、前記作動室(4)に連通されかつ前記凹部(5)に
開口する注油穴(7)とを設けたことを特徴とするスク
ロール形流体機械。A frame (3) fixed to the closed casing (10) inside the closed casing (10), a fixed scroll (1) fixed on the frame (3), and the frame (3). ), A drive shaft (22) rotatably supported around a vertical rotation axis, and a rotatable support relative to the frame (3), and the fixed by rotation of the drive shaft (22). A movable scroll (2) arranged so as to revolve with respect to the scroll (1), and the fixed scroll (1) and the movable scroll (2) are respectively provided with spiral bodies (a) ( b) A scroll type fluid machine having a head plate (A) and (B) protruding and performing oil injection into a working chamber (4) defined between the spiral bodies (a) and (b). The fixed scroll (1) includes the mirror Provided with an annular recess (5) on the upper surface of (A), so as to open the Frame (3) extending from the side and the recess (5), said drive shaft (22)
Oil supply hole (6) for guiding oil from the oil pump arranged at the lower end of the cylinder
And a lubrication hole (7) communicating with the working chamber (4) and opening to the recess (5).
おける支持脚(8)の下面と、凹部(5)の外周壁(5
1)を避けた底面(52)との間を斜めに結ぶ傾斜穴(6
1)である請求項1記載のスクロール形流体機械。The oil supply hole (6) is formed between the lower surface of the support leg (8) of the fixed scroll (1) and the outer peripheral wall (5) of the recess (5).
Inclined hole (6) connecting diagonally to the bottom (52) avoiding 1)
2. The scroll type fluid machine according to claim 1, wherein 1).
ける支持脚(8)の下面から上方に向けて鉛直に延びる
鉛直穴(62)であり、凹部(5)の外周壁(51)に、前
記鉛直穴(62)を凹部(5)の底面(52)に開放させる
切欠部(53)を設けている請求項1記載のスクロール形
流体機械。3. A refueling hole (6) is a vertical hole (62) extending vertically upward from a lower surface of a support leg (8) of a fixed scroll (1), and an outer peripheral wall (51) of a concave portion (5). The scroll type fluid machine according to claim 1, further comprising a notch (53) for opening the vertical hole (62) to a bottom surface (52) of the concave portion (5).
いる請求項1又は請求項2若しくは請求項3記載のスク
ロール形流体機械。4. The scroll-type fluid machine according to claim 1, wherein the lid (9) is placed on the upper surface of the recess (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16780890A JP2707809B2 (en) | 1990-06-26 | 1990-06-26 | Scroll type fluid machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16780890A JP2707809B2 (en) | 1990-06-26 | 1990-06-26 | Scroll type fluid machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0458090A JPH0458090A (en) | 1992-02-25 |
| JP2707809B2 true JP2707809B2 (en) | 1998-02-04 |
Family
ID=15856492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16780890A Expired - Fee Related JP2707809B2 (en) | 1990-06-26 | 1990-06-26 | Scroll type fluid machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2707809B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0637877B2 (en) * | 1987-07-27 | 1994-05-18 | 松下電器産業株式会社 | Scroll gas compressor with check valve device for differential pressure lubrication |
| JPH01290990A (en) * | 1988-05-18 | 1989-11-22 | Diesel Kiki Co Ltd | Scroll type hydraulic machine |
-
1990
- 1990-06-26 JP JP16780890A patent/JP2707809B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0458090A (en) | 1992-02-25 |
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