JP2001027177A5 - - Google Patents

Download PDF

Info

Publication number
JP2001027177A5
JP2001027177A5 JP1999201379A JP20137999A JP2001027177A5 JP 2001027177 A5 JP2001027177 A5 JP 2001027177A5 JP 1999201379 A JP1999201379 A JP 1999201379A JP 20137999 A JP20137999 A JP 20137999A JP 2001027177 A5 JP2001027177 A5 JP 2001027177A5
Authority
JP
Japan
Prior art keywords
chamber
swash plate
oil
refrigerant gas
discharge
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
Application number
JP1999201379A
Other languages
Japanese (ja)
Other versions
JP2001027177A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP11201379A priority Critical patent/JP2001027177A/en
Priority claimed from JP11201379A external-priority patent/JP2001027177A/en
Publication of JP2001027177A publication Critical patent/JP2001027177A/en
Publication of JP2001027177A5 publication Critical patent/JP2001027177A5/ja
Pending legal-status Critical Current

Links

Description

【特許請求の範囲】
【請求項1】ピストンが摺動可能に挿入される複数のシリンダボアと、前記シリンダボア内の圧縮室から冷媒ガスが吐出される吐出室と、前記吐出室の冷媒ガスを高圧側配管へ送り出す吐出口と、前記吐出室と前記吐出口とを連通させる連通路と、前記ピストンのストローク量を決める斜板を収容するクランク室とを備え冷凍サイクル用の可変容量型斜板式圧縮機において、前記連通路の途中に設けられ、冷媒ガス中のオイルを分離するオイル分離室と、前記オイル分離室のオイルを前記クランク室へ導くオイル導入路とを備え、前記オイル導入路の途中に減圧手段が設けられ、前記オイル導入路の出口が前記クランク室の下部に臨んでいることを特徴とする可変容量型斜板式圧縮機。
【請求項2】ピストンが摺動可能に挿入される複数のシリンダボアと、前記各シリンダボア内の圧縮室から冷媒ガスが吐出される吐出室と、前記吐出室の冷媒ガスを高圧側配管へ送り出す吐出口と、前記吐出室と前記吐出口とを連通させる連通路と、前記ピストンのストローク量を決める斜板を収容するクランク室とを備え冷凍サイクル用の可変容量型斜板式圧縮機において、前記連通路の途中に設けられ、冷媒ガス中のオイルを分離するオイル分離室と、前記オイル分離室のオイルを少なくとも1つの前記シリンダボアの内周面と前記ピストンの外周面との隙間へ導くオイル導入路とを備えていることを特徴とする可変容量型斜板式圧縮機。
【請求項3】前記オイル導入路の出口が常に前記ピストンの外周面へ臨んでいることを特徴とする請求項2記載の可変容量型斜板式圧縮機。
【請求項4】ピストンが摺動可能に挿入される複数のシリンダボアと、前記各シリンダボア内の圧縮室から冷媒ガスが吐出される吐出室と、前記吐出室の冷媒ガスを高圧側配管へ送り出す吐出口と、前記吐出室と前記吐出口とを連通させる連通路と、前記ピストンのストローク量を決める斜板を収容するクランク室とを備え冷凍サイクル用の可変容量型斜板式圧縮機において、前記連通路の途中に設けられ、冷媒ガス中のオイルを分離するオイル分離室と、前記オイル分離室のオイルを吸入行程時に少なくとも1つの前記圧縮室へ導くオイル導入路とを備えていることを特徴とする可変容量型斜板式圧縮機。
【請求項5】前記オイル導入路の出口が吸入弁が開いたときだけ前記圧縮室と通じることを特徴とする請求項5記載の可変容量型斜板式圧縮機。
【請求項6】シリンダブロックのリヤ側にバルブプレートを介して固定されたリヤヘッドに、前記吐出室、前記吐出口、前記連通路及び前記オイル分離室がそれぞれ形成されていることを特徴とする請求項1〜5のいずれか1つに記載の可変容量型斜板式圧縮機。
【請求項7】 前記可変容量型斜板式圧縮機は、二酸化炭素を冷媒としていることを特徴とする請求項1〜6のいずれか1つに記載の可変容量型斜板式圧縮機。
[Claims]
1. A plurality of cylinder bores into which a piston is slidably inserted, a discharge chamber in which a refrigerant gas is discharged from a compression chamber in the cylinder bore, and a discharge port for delivering the refrigerant gas in the discharge chamber to a high-pressure side pipe. A communication passage for communicating the discharge chamber and the discharge port, and a crank chamber for accommodating a swash plate that determines the stroke amount of the piston.TaIn a variable displacement swash plate compressor for a refrigeration cycle, an oil separation chamber provided in the middle of the communication passage for separating oil in a refrigerant gas and an oil introduction path for guiding oil in the oil separation chamber to the crank chamber. A variable displacement swash plate compressor comprising the above, the depressurizing means is provided in the middle of the oil introduction path, and the outlet of the oil introduction path faces the lower part of the crank chamber.
2. A plurality of cylinder bores into which a piston is slidably inserted, a discharge chamber in which a refrigerant gas is discharged from a compression chamber in each cylinder bore, and a discharge chamber in which the refrigerant gas in the discharge chamber is discharged to a high-pressure side pipe. It is provided with an outlet, a communication passage for communicating the discharge chamber and the discharge port, and a crank chamber for accommodating a swash plate that determines the stroke amount of the piston.TaIn a variable displacement swash plate compressor for a refrigeration cycle, an oil separation chamber provided in the middle of the communication passage for separating oil in a refrigerant gas and an inner circumference of at least one cylinder bore for oil in the oil separation chamber. A variable displacement swash plate compressor characterized by having an oil introduction path leading to a gap between a surface and an outer peripheral surface of the piston.
3. The variable displacement swash plate compressor according to claim 2, wherein the outlet of the oil introduction path always faces the outer peripheral surface of the piston.
4. A plurality of cylinder bores into which a piston is slidably inserted, a discharge chamber in which a refrigerant gas is discharged from a compression chamber in each cylinder bore, and a discharge chamber in which the refrigerant gas in the discharge chamber is discharged to a high-pressure side pipe. It is provided with an outlet, a communication passage for communicating the discharge chamber and the discharge port, and a crank chamber for accommodating a swash plate that determines the stroke amount of the piston.TaIn a variable displacement swash plate compressor for a refrigeration cycle, an oil separation chamber provided in the middle of the communication passage for separating oil in a refrigerant gas and at least one compression of the oil in the oil separation chamber during a suction stroke. A variable displacement swash plate compressor characterized by having an oil introduction path leading to the chamber.
5. The variable displacement swash plate compressor according to claim 5, wherein the outlet of the oil introduction path communicates with the compression chamber only when the suction valve is opened.
6. A claim is characterized in that the discharge chamber, the discharge port, the communication passage, and the oil separation chamber are each formed on a rear head fixed to the rear side of a cylinder block via a valve plate. Any 1 of items 1 to 5At one timeThe variable capacitance type swash plate compressor described.
7. The variable-capacity swash plate compressor according to any one of claims 1 to 6, wherein the variable-capacity swash plate compressor uses carbon dioxide as a refrigerant.

【0008】
【課題を解決するための手段】前述の課題を解決するため請求項1記載の発明の可変容量型斜板式圧縮機は、ピストンが摺動可能に挿入される複数のシリンダボアと、前記シリンダボア内の圧縮室から冷媒ガスが吐出される吐出室と、前記吐出室の冷媒ガスを高圧側配管へ送り出す吐出口と、前記吐出室と前記吐出口とを連通させる連通路と、前記ピストンのストローク量を決める斜板を収容するクランク室とを備え冷凍サイクル用の可変容量型斜板式圧縮機において、前記連通路の途中に設けられ、冷媒ガス中のオイルを分離するオイル分離室と、前記オイル分離室のオイルを前記クランク室へ導くオイル導入路とを備え、前記オイル導入路の途中に減圧手段が設けられ、前記オイル導入路の出口が前記クランク室の下部に臨んでいることを特徴とする。
0008
SOLUTION: In order to solve the above-mentioned problems, the variable capacitance type swash plate compressor of the invention according to claim 1 has a plurality of cylinder bores into which pistons are slidably inserted, and a plurality of cylinder bores in the cylinder bores. The discharge chamber for discharging the refrigerant gas from the compression chamber, the discharge port for sending the refrigerant gas in the discharge chamber to the high-pressure side pipe, the communication passage for communicating the discharge chamber and the discharge port, and the stroke amount of the piston. In a variable displacement swash plate compressor for a refrigeration cycle equipped with a crank chamber for accommodating a swash plate to be determined, an oil separation chamber provided in the middle of the communication passage and separating oil in a refrigerant gas and the oil separation are provided. It is characterized in that it is provided with an oil introduction path for guiding the oil in the chamber to the crank chamber, a decompression means is provided in the middle of the oil introduction path, and the outlet of the oil introduction path faces the lower part of the crank chamber. ..

請求項2記載の発明の可変容量型斜板式圧縮機は、ピストンが摺動可能に挿入される複数のシリンダボアと、前記各シリンダボア内の圧縮室から冷媒ガスが吐出される吐出室と、前記吐出室の冷媒ガスを高圧側配管へ送り出す吐出口と、前記吐出室と前記吐出口とを連通させる連通路と、前記ピストンのストローク量を決める斜板を収容するクランク室とを備え冷凍サイクル用の可変容量型斜板式圧縮機において、前記連通路の途中に設けられ、冷媒ガス中のオイルを分離するオイル分離室と、前記オイル分離室のオイルを少なくとも1つの前記シリンダボアの内周面と前記ピストンの外周面との隙間へ導くオイル導入路とを備えていることを特徴とする。 The variable displacement swash plate compressor of the invention according to claim 2 has a plurality of cylinder bores into which pistons are slidably inserted, a discharge chamber in which refrigerant gas is discharged from a compression chamber in each cylinder bore, and the discharge. a discharge port for feeding the chambers of the refrigerant gas to the high pressure side pipe, the discharge chamber and a communication passage for communicating with said discharge port, a refrigeration cycle that includes a crank chamber accommodating a swash plate which determines the stroke of said piston In the variable displacement type swash plate compressor of the above, an oil separation chamber provided in the middle of the communication passage to separate oil in the refrigerant gas, and oil in the oil separation chamber is provided on the inner peripheral surface of at least one cylinder bore and the said. It is characterized by having an oil introduction path leading to a gap with the outer peripheral surface of the piston.

請求項4記載の発明の可変容量型斜板式圧縮機は、ピストンが摺動可能に挿入される複数のシリンダボアと、前記各シリンダボア内の圧縮室から冷媒ガスが吐出される吐出室と、前記吐出室の冷媒ガスを高圧側配管へ送り出す吐出口と、前記吐出室と前記吐出口とを連通させる連通路と、前記ピストンのストローク量を決める斜板を収容するクランク室とを備え冷凍サイクル用の可変容量型斜板式圧縮機において、前記連通路の途中に設けられ、冷媒ガス中のオイルを分離するオイル分離室と、前記オイル分離室のオイルを吸入行程時に少なくとも1つの前記圧縮室へ導くオイル導入路とを備えていることを特徴とする。 The variable displacement swash plate compressor of the invention according to claim 4 has a plurality of cylinder bores into which pistons are slidably inserted, a discharge chamber in which refrigerant gas is discharged from a compression chamber in each cylinder bore, and the discharge. a discharge port for feeding the chambers of the refrigerant gas to the high pressure side pipe, the discharge chamber and a communication passage for communicating with said discharge port, a refrigeration cycle that includes a crank chamber accommodating a swash plate which determines the stroke of said piston In the variable displacement type swash plate compressor of the above, an oil separation chamber provided in the middle of the communication passage for separating the oil in the refrigerant gas and the oil in the oil separation chamber are guided to at least one compression chamber during the suction stroke. It is characterized by having an oil introduction path.

上述のようにリヤヘッドにオイル分離室を形成したので、シリンダブロックやフロントヘッド等の半径方向寸法を小さくすることができる。また、請求項7記載の発明の可変容量型斜板式圧縮機は、二酸化炭素を冷媒ととしている。 Since the oil separation chamber is formed in the rear head as described above, the radial dimensions of the cylinder block, the front head, and the like can be reduced. Further, the variable displacement swash plate compressor of the invention according to claim 7 uses carbon dioxide as a refrigerant.

この可変容量型斜板式圧縮機は例えばCO2 (二酸化炭素)を冷媒とする冷凍装置の一構成部品として用いられる。この可変容量型斜板式圧縮機のシリンダブロック1の一端面にはバルブプレート2を介してリヤヘッド3が、他端面にはフロントヘッド4がそれぞれ配置されている。フロントヘッド4、シリンダブロック1、バルブプレート2及びリヤヘッド3は通しボルト31でシャフト5の中心軸方向に一体的に結合されている。 This variable capacitance type swash plate compressor is used, for example, as a component of a refrigerating apparatus using CO2 (carbon dioxide) as a refrigerant. A rear head 3 is arranged on one end surface of the cylinder block 1 of the variable capacitance type swash plate compressor via a valve plate 2, and a front head 4 is arranged on the other end surface. The front head 4, the cylinder block 1, the valve plate 2, and the rear head 3 are integrally connected in the central axis direction of the shaft 5 by a through bolt 31.

JP11201379A 1999-07-15 1999-07-15 Variable displacement swash plate type compressor Pending JP2001027177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11201379A JP2001027177A (en) 1999-07-15 1999-07-15 Variable displacement swash plate type compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11201379A JP2001027177A (en) 1999-07-15 1999-07-15 Variable displacement swash plate type compressor

Publications (2)

Publication Number Publication Date
JP2001027177A JP2001027177A (en) 2001-01-30
JP2001027177A5 true JP2001027177A5 (en) 2006-06-29

Family

ID=16440111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11201379A Pending JP2001027177A (en) 1999-07-15 1999-07-15 Variable displacement swash plate type compressor

Country Status (1)

Country Link
JP (1) JP2001027177A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3719990B2 (en) 2002-02-15 2005-11-24 株式会社デンソー Compressor
JP3948432B2 (en) 2003-05-16 2007-07-25 株式会社豊田自動織機 Control device for variable capacity compressor
JP2005120970A (en) * 2003-10-20 2005-05-12 Toyota Industries Corp Refrigerant compressor
JP2007192154A (en) * 2006-01-20 2007-08-02 Sanden Corp Reciprocating fluid machine
KR100741681B1 (en) 2006-04-14 2007-07-23 학교법인 두원학원 A oil separating structure of compressor
JP4737076B2 (en) * 2006-05-19 2011-07-27 株式会社豊田自動織機 Compressor
JP4973066B2 (en) 2006-08-25 2012-07-11 株式会社豊田自動織機 Compressor and operating method of compressor
JP5118340B2 (en) 2006-12-01 2013-01-16 サンデン株式会社 Reciprocating compressor for refrigeration circuit
JP5308686B2 (en) * 2008-02-04 2013-10-09 サンデン株式会社 Swash plate compressor

Similar Documents

Publication Publication Date Title
US8251683B2 (en) Variable capacity rotary compressor
JP2000265953A5 (en)
WO2007081193A3 (en) Structure of discharging refrigerant for linear compressor
EP0943802A3 (en) Variable capacity swash-plate compressor with oil separator
JP2001027177A5 (en)
EP1314888A3 (en) Swash plate compressor having rotary suction valve
EP1923571B1 (en) Capacity-variable rotary compressor
US20080302128A1 (en) Compressor
EP1174619A3 (en) Swash plate compressor housing
WO2007021095A1 (en) Compressor
EP1520989A3 (en) Horizontal type rotary compressor
MXPA02009807A (en) Fluid compressing apparatus.
US4761119A (en) Compressor having pulsating reducing mechanism
WO2004088141A3 (en) Oscillating piston pump
EP1394409A3 (en) Compressor
JP3266504B2 (en) Swash plate compressor
EP1548281A3 (en) Piston type compressor
JP2002005020A (en) Refrigerating compressor
US20020127118A1 (en) Compressor
EP1445489A3 (en) Piston type compressor
CN1978905A (en) Rolling rotor-type expansion machine
JPH11230032A (en) Swash plate compressor
CA2077979A1 (en) Reciprocatory piston type compressor with a rotary valve
EP1072792A3 (en) Swash plate compressor
US20020168271A1 (en) Multi-stage compressor and multi-stage compression process