JPH0447189U - - Google Patents

Info

Publication number
JPH0447189U
JPH0447189U JP8973890U JP8973890U JPH0447189U JP H0447189 U JPH0447189 U JP H0447189U JP 8973890 U JP8973890 U JP 8973890U JP 8973890 U JP8973890 U JP 8973890U JP H0447189 U JPH0447189 U JP H0447189U
Authority
JP
Japan
Prior art keywords
rotor
housing
discharge
male
face
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.)
Granted
Application number
JP8973890U
Other languages
Japanese (ja)
Other versions
JP2550066Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990089738U priority Critical patent/JP2550066Y2/en
Publication of JPH0447189U publication Critical patent/JPH0447189U/ja
Application granted granted Critical
Publication of JP2550066Y2 publication Critical patent/JP2550066Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案を実施して装置の断面図、第２
図ａ〜ｇは作用説明図である。 １……ハウジング、４，５……端壁、６……雄
ロータ、７……雌ロータ、１２……吐出ポート、
２０……吐出溝。 Figure 1 is a cross-sectional view of the device implementing the present invention;
Figures a to g are action explanatory diagrams. 1... Housing, 4, 5... End wall, 6... Male rotor, 7... Female rotor, 12... Discharge port,
20...Discharge groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一対の雌雄のスクリユーロータを噛合状態でハ
ウジング内に収容したスクリユー圧縮機であつて
、吐出行程終了後、雌ロータの歯元と雄ロータの
歯先と吐出側ハウジングの端面で形成される密閉
空間を減圧すべく、該密閉空間を低圧側に連通し
たものにおいて、ロータの吐出側端面に接するハ
ウジングの端壁に、雄ロータの歯先円外で前記密
閉空間を吐出ポート側に連通する排出溝を設けた
ことを特徴とするスクリユー圧縮機。 A screw compressor in which a pair of male and female screw rotors are housed in a housing in a meshed state, and after the discharge stroke is completed, a seal is formed between the tooth base of the female rotor, the tooth tip of the male rotor, and the end face of the discharge side housing. In order to reduce the pressure in the space, the sealed space is communicated with the low pressure side, and an exhaust is provided on the end wall of the housing in contact with the discharge side end face of the rotor, outside the tip circle of the male rotor, communicating the sealed space with the discharge port side. A screw compressor characterized by having grooves.
JP1990089738U 1990-08-28 1990-08-28 Screw compressor Expired - Fee Related JP2550066Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990089738U JP2550066Y2 (en) 1990-08-28 1990-08-28 Screw compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990089738U JP2550066Y2 (en) 1990-08-28 1990-08-28 Screw compressor

Publications (2)

Publication Number Publication Date
JPH0447189U true JPH0447189U (en) 1992-04-22
JP2550066Y2 JP2550066Y2 (en) 1997-10-08

Family

ID=31823932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990089738U Expired - Fee Related JP2550066Y2 (en) 1990-08-28 1990-08-28 Screw compressor

Country Status (1)

Country Link
JP (1) JP2550066Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010275931A (en) * 2009-05-28 2010-12-09 Hitachi Plant Technologies Ltd Oil-free screw compressor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54104514U (en) * 1978-01-06 1979-07-23
JPS56165790A (en) * 1980-05-23 1981-12-19 Hitachi Ltd Screw compressor
JPS5765890A (en) * 1980-10-11 1982-04-21 Uchida Yuatsu Kiki Kogyo Kk External gear pump
JPS58214693A (en) * 1982-06-08 1983-12-13 Kobe Steel Ltd Screw compressor
JPS6216783U (en) * 1985-07-16 1987-01-31

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54104514U (en) * 1978-01-06 1979-07-23
JPS56165790A (en) * 1980-05-23 1981-12-19 Hitachi Ltd Screw compressor
JPS5765890A (en) * 1980-10-11 1982-04-21 Uchida Yuatsu Kiki Kogyo Kk External gear pump
JPS58214693A (en) * 1982-06-08 1983-12-13 Kobe Steel Ltd Screw compressor
JPS6216783U (en) * 1985-07-16 1987-01-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010275931A (en) * 2009-05-28 2010-12-09 Hitachi Plant Technologies Ltd Oil-free screw compressor

Also Published As

Publication number Publication date
JP2550066Y2 (en) 1997-10-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees