IT8125152A0 - Valvola di ritegno e scarico per compressori ad aria. - Google Patents

Valvola di ritegno e scarico per compressori ad aria.

Info

Publication number: IT8125152A0
Authority: IT; Italy
Prior art keywords: check; drain valve; air compressors; compressors; air
Prior art date: 1981-01-19

Application number

IT8125152A

Other languages

English (en)

Other versions

IT1139786B (it

Inventor

Joseph L Krechel

Michael J Purvis

Original Assignee

Control Devices Inc

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.)

1981-01-19

Filing date

1981-11-18

Publication date

1981-11-18

1981-11-18 Application filed by Control Devices Inc filed Critical Control Devices Inc

1981-11-18 Publication of IT8125152A0 publication Critical patent/IT8125152A0/it

1986-09-24 Application granted granted Critical

1986-09-24 Publication of IT1139786B publication Critical patent/IT1139786B/it

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/022—Stopping, starting, unloading or idling control by means of pressure
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
- Y10T137/2574—Bypass or relief controlled by main line fluid condition
- Y10T137/2605—Pressure responsive
- Y10T137/2617—Bypass or relief valve biased open
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/785—With retarder or dashpot
- Y10T137/7852—End of valve moves inside dashpot chamber
- Y10T137/7853—Enlarged piston on end of valve stem

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Check Valves (AREA)
Compressor (AREA)
Safety Valves (AREA)
Details Of Valves (AREA)

IT25152/81A 1981-01-19 1981-11-18 Valvola di ritegno e scarico per compressori ad aria IT1139786B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/226,110 US4321940A (en)	1981-01-19	1981-01-19	Unloader/check valve

Publications (2)

Publication Number	Publication Date
IT8125152A0 true IT8125152A0 (it)	1981-11-18
IT1139786B IT1139786B (it)	1986-09-24

Family

ID=22847593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT25152/81A IT1139786B (it)	1981-01-19	1981-11-18	Valvola di ritegno e scarico per compressori ad aria

Country Status (8)

Country	Link
US (1)	US4321940A (it)
JP (1)	JPS57129969A (it)
CA (1)	CA1161409A (it)
DE (1)	DE3151567C2 (it)
ES (1)	ES8207625A1 (it)
FR (1)	FR2500903B3 (it)
GB (1)	GB2091384B (it)
IT (1)	IT1139786B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4470428A (en) *	1982-05-21	1984-09-11	Eaton Corporation	Unloader and check valve
SE441545B (sv) *	1984-05-11	1985-10-14	Ssab Svenskt Stal Ab	Ventilanordning for avlastningsvetskeflode vid en backventil
EP0247170B1 (en) *	1985-12-11	1991-07-24	SAGGERS, Michael John	Improvements in vibratory diaphragm pumps
ATE114358T1 (de) *	1990-03-30	1994-12-15	Wirth & Schwaar Fluidtechnik A	Schnellentlüftungsventil.
US6520205B1 (en) *	2000-08-22	2003-02-18	Ingersoll-Rand Company	Compressor unloader system
KR20010044668A (ko) *	2001-03-15	2001-06-05	성갑제	성갑제식 자동
KR100399103B1 (ko) *	2001-04-18	2003-09-22	성갑제	압력 스위치용 파일럿 밸브를 이용한 공기압축기
US6698446B2 (en)	2002-07-12	2004-03-02	R. Conrader Company	Check valve
US6866062B2 (en) *	2002-09-10	2005-03-15	Control Devices, Incorporated	Check valve
AU2004259778B2 (en) *	2003-07-23	2007-03-15	Goyen Controls Co Pty Ltd	Poppet type flow control valve
AU2003903803A0 (en) *	2003-07-23	2003-08-07	Goyen Controls Co Pty Ltd	Poppet type flow control valve
DE102009030182A1 (de) *	2009-06-24	2011-01-05	Neoperl Gmbh	Ventil
KR200455853Y1 (ko)	2011-07-27	2011-09-29	이노코퍼레이션 주식회사	압력 편차 제어기능을 갖는 공기압축기
US9994207B2 (en)	2015-08-07	2018-06-12	Bendix Commercial Vehicle Systems Llc	Autolift-resistant piston assembly for an unloader valve of an air compressor
EP3718844B1 (en) *	2019-04-05	2023-02-08	KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH	Piston assembly for an unloader valve of an air compressor
CN112664691B (zh) *	2020-12-28	2023-05-16	宁波新佳行自动化工业有限公司	空压机专用多工位减压阀

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2041906A (en) *	1934-12-24	1936-05-26	Eddington Metal Specialty Co	Valve
US2318963A (en) *	1940-11-28	1943-05-11	Arthur L Parker	Valve assembly
US2554390A (en) *	1944-07-26	1951-05-22	Merit Engineering Inc	Hydraulic fuse
DE1818288U (de) *	1960-07-12	1960-09-15	Alfred Teves Maschb Und Armatu	Nachsauge- und rueckschlagventil.
US3358705A (en) *	1964-09-09	1967-12-19	Joseph L Krechel	Valve assembly
SE380610B (sv) *	1972-08-22	1975-11-10	Danfoss As	Ventilkombination for en oljeeldningsanleggning
AT333408B (de) *	1974-05-17	1976-11-25	Hoerbiger Ventilwerke Ag	Selbsttatiges druckentlastungsventil
US3999568A (en) *	1976-01-13	1976-12-28	Chapman Walter R	Self unloading check valve

1981
- 1981-01-19 US US06/226,110 patent/US4321940A/en not_active Expired - Fee Related
- 1981-11-18 IT IT25152/81A patent/IT1139786B/it active
- 1981-11-30 CA CA000391161A patent/CA1161409A/en not_active Expired
- 1981-12-03 GB GB8136571A patent/GB2091384B/en not_active Expired
- 1981-12-16 ES ES508017A patent/ES8207625A1/es not_active Expired
- 1981-12-18 JP JP56206005A patent/JPS57129969A/ja active Granted
- 1981-12-28 DE DE3151567A patent/DE3151567C2/de not_active Expired
- 1981-12-30 FR FR8124478A patent/FR2500903B3/fr not_active Expired

Also Published As

Publication number	Publication date
JPS6213552B2 (it)	1987-03-27
JPS57129969A (en)	1982-08-12
GB2091384B (en)	1984-08-30
ES508017A0 (es)	1982-10-01
ES8207625A1 (es)	1982-10-01
FR2500903A1 (fr)	1982-09-03
GB2091384A (en)	1982-07-28
US4321940A (en)	1982-03-30
DE3151567C2 (de)	1986-11-13
CA1161409A (en)	1984-01-31
DE3151567A1 (de)	1982-10-28
IT1139786B (it)	1986-09-24
FR2500903B3 (fr)	1986-05-16

Publication	Publication Date	Title
IT8719875A0 (it)	1987-03-23	Valvola di ritenuta.
DE69105087D1 (de)	1994-12-15	Kompressor-Rückschlagventil.
IT8125152A0 (it)	1981-11-18	Valvola di ritegno e scarico per compressori ad aria.
IT8024297A0 (it)	1980-08-26	Valvola di ritenuta.
ES511773A0 (es)	1983-10-01	Perfeccionamientos en comprensores de refrigeracion hermeticos.
DE3877602D1 (de)	1993-03-04	Rueckschlagventil.
DE3779219D1 (de)	1992-06-25	Durchflussventil.
IT8267205A0 (it)	1982-02-25	Valvola di pressione
IT1208511B (it)	1989-07-10	Impianto di condizionamento.
ES508782A0 (es)	1982-11-01	Perfeccionamientos en las valvulas de retencion.
KR860015588U (ko)	1986-12-30	유체압축기
BR8203583A (pt)	1983-06-14	Valvula de descarga de compressor
IT8522636A0 (it)	1985-10-29	Valvola di limitazione dipressione.
DE3869452D1 (de)	1992-04-30	Entlueftungsventil.
IT8220375A0 (it)	1982-03-25	Paraolio con tenuta ad aria.
DE3861644D1 (de)	1991-02-28	Kompressorventil.
DE3767267D1 (de)	1991-02-14	Trennschieberkompressor.
IT8120120A0 (it)	1981-03-04	Assieme di valvola di ritegno perfezionata.
IT8219270A0 (it)	1982-01-25	Complesso valvolare di scarico per compressori.
DE69002801D1 (de)	1993-09-23	Fluid-verdichter.
ATE12085T1 (de)	1985-03-15	Ventilaufbau.
FR2572271B1 (fr)	1987-12-18	Objet climatiseur.
DE69001910D1 (de)	1993-07-22	Fluid-kompressor.
DK92681A (da)	1982-08-28	Ventilations- og trykudligningsventil
DE68903939D1 (de)	1993-01-28	Entlueftungsventil.