JPH0252984U - - Google Patents
Info
- Publication number
- JPH0252984U JPH0252984U JP13129588U JP13129588U JPH0252984U JP H0252984 U JPH0252984 U JP H0252984U JP 13129588 U JP13129588 U JP 13129588U JP 13129588 U JP13129588 U JP 13129588U JP H0252984 U JPH0252984 U JP H0252984U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- displacement
- transmitting member
- passage
- compressor
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Compressor (AREA)
Description
第１図は本考案の一実施例の縦断面図、第２図
は本考案の一実施例におけるＬＰ―ＭＰ特性図、
第３図は従来の制御弁の縦断面図である。
１……圧力制御弁、２……アンロードバルブ、
３……圧縮機のケーシング、４……スプール弁、
５……固定オリフイス、６，７……通路、８……
弁口部、９，１０……通路、１１……バネ、１２
……弁部、１３……主ボデイ、１４……副ボデイ
、１５……ダイヤフラム、１６，１７……バネ受
け、１８……バネ、１９……当金、２０……調整
ネジ、２１……ストツパー部、２２……変位伝達
部材、２３……小径部、２４……弁体、２５……
押え板、２６……弁体受け、２７……バネ、２８
……ワツシヤー、２９……ストレーナ、３０……
ストツパー部、３１，３２……通路、３３……圧
縮機、３４……吐出側、３５……吸入側、３６…
…圧力変位変換部、３７……帰還部、３８……２
方弁部、３９，４０，４２……チヤンバー、４１
……変位伝達部、４３……ストツプリング、４４
……段付部。
FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, FIG. 2 is an LP-MP characteristic diagram of an embodiment of the present invention,
FIG. 3 is a longitudinal sectional view of a conventional control valve. 1...Pressure control valve, 2...Unload valve,
3...Compressor casing, 4...Spool valve,
5... Fixed orifice, 6, 7... Passage, 8...
Valve port, 9, 10...Passage, 11...Spring, 12
...Valve section, 13...Main body, 14...Sub-body, 15...Diaphragm, 16, 17...Spring receiver, 18...Spring, 19...Fill, 20...Adjustment screw, 21... Stopper part, 22...Displacement transmission member, 23...Small diameter part, 24...Valve body, 25...
Holding plate, 26...Valve body holder, 27...Spring, 28
...Watshier, 29...Strainer, 30...
Stopper part, 31, 32... Passage, 33... Compressor, 34... Discharge side, 35... Suction side, 36...
...Pressure displacement converter, 37...Return section, 38...2
Directional valve part, 39, 40, 42...Chamber, 41
... Displacement transmission section, 43 ... Stop spring, 44
...Stepped section.
Claims (1)
位を弁体２４に伝達する同一軸径を有する変位伝
達部材２２、および通路９と低圧側圧力の通路６
との間に固定オリフイス５を具備して中間圧力Ｍ
Ｐを取り出すようにした２方弁部３８とからなる
圧力制御弁において、変位伝達部材２２の下部を
小径部２３となし、変位伝達部材２２の大径部上
側に加わる低圧側圧力ＬＰと、変位伝達部材２２
の段付部４４に加わる中間圧力ＭＰが上下に相反
する方向に作用する如く構成したことを特徴とす
る圧縮機の圧力制御弁。 A pressure displacement converter 36, a displacement transmitting member 22 having the same shaft diameter that transmits the displacement of the diaphragm 10 to the valve body 24, a passage 9, and a passage 6 for low pressure side pressure.
A fixed orifice 5 is provided between the intermediate pressure M
In a pressure control valve consisting of a two-way valve part 38 configured to take out P, the lower part of the displacement transmitting member 22 is a small diameter part 23, and the low pressure side pressure LP applied to the upper side of the large diameter part of the displacement transmitting member 22 and the displacement Transmission member 22
A pressure control valve for a compressor, characterized in that the intermediate pressure MP applied to the stepped portion 44 of the compressor is configured such that it acts in opposite directions, up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131295U JP2544297Y2 (en) | 1988-10-05 | 1988-10-05 | Compressor pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131295U JP2544297Y2 (en) | 1988-10-05 | 1988-10-05 | Compressor pressure control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0252984U true JPH0252984U (en) | 1990-04-17 |
| JP2544297Y2 JP2544297Y2 (en) | 1997-08-13 |
Family
ID=31387226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988131295U Expired - Lifetime JP2544297Y2 (en) | 1988-10-05 | 1988-10-05 | Compressor pressure control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2544297Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341685A (en) * | 1986-08-07 | 1988-02-22 | Matsushita Electric Ind Co Ltd | Pressure control valve and capacity controlled compressor using pressure control valve |
-
1988
- 1988-10-05 JP JP1988131295U patent/JP2544297Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341685A (en) * | 1986-08-07 | 1988-02-22 | Matsushita Electric Ind Co Ltd | Pressure control valve and capacity controlled compressor using pressure control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2544297Y2 (en) | 1997-08-13 |
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