NZ221207A - Structured piston arranged to prevent distortion of annular groove containing the piston ring - Google Patents

Structured piston arranged to prevent distortion of annular groove containing the piston ring

Info

Publication number
NZ221207A
NZ221207A NZ221207A NZ22120787A NZ221207A NZ 221207 A NZ221207 A NZ 221207A NZ 221207 A NZ221207 A NZ 221207A NZ 22120787 A NZ22120787 A NZ 22120787A NZ 221207 A NZ221207 A NZ 221207A
Authority
NZ
New Zealand
Prior art keywords
piston
annular groove
structured
prevent distortion
groove containing
Prior art date
Application number
NZ221207A
Other languages
English (en)
Inventor
Oike Takeshi Yokoyama Tadashi
Original Assignee
Tlv Co Ltd
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 by Tlv Co Ltd filed Critical Tlv Co Ltd
Publication of NZ221207A publication Critical patent/NZ221207A/xx

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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
    • F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/16—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid
    • G05D16/166—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid using pistons within the main valve
    • 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
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y10T137/7768—Pilot controls supply to pressure chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Fluid Pressure (AREA)
  • Details Of Reciprocating Pumps (AREA)
NZ221207A 1986-08-12 1987-07-27 Structured piston arranged to prevent distortion of annular groove containing the piston ring NZ221207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986124089U JPS6331415U (US20050271598A1-20051208-C00001.png) 1986-08-12 1986-08-12

Publications (1)

Publication Number Publication Date
NZ221207A true NZ221207A (en) 1989-07-27

Family

ID=14876655

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ221207A NZ221207A (en) 1986-08-12 1987-07-27 Structured piston arranged to prevent distortion of annular groove containing the piston ring

Country Status (13)

Country Link
US (1) US4809736A (US20050271598A1-20051208-C00001.png)
EP (1) EP0257690A3 (US20050271598A1-20051208-C00001.png)
JP (1) JPS6331415U (US20050271598A1-20051208-C00001.png)
KR (1) KR920007771B1 (US20050271598A1-20051208-C00001.png)
CN (1) CN1011329B (US20050271598A1-20051208-C00001.png)
AU (1) AU580717B2 (US20050271598A1-20051208-C00001.png)
CA (1) CA1294513C (US20050271598A1-20051208-C00001.png)
DE (1) DE8710939U1 (US20050271598A1-20051208-C00001.png)
DK (1) DK414287A (US20050271598A1-20051208-C00001.png)
NZ (1) NZ221207A (US20050271598A1-20051208-C00001.png)
PH (1) PH24921A (US20050271598A1-20051208-C00001.png)
PT (1) PT85519A (US20050271598A1-20051208-C00001.png)
ZA (1) ZA875849B (US20050271598A1-20051208-C00001.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372615U (US20050271598A1-20051208-C00001.png) * 1986-10-28 1988-05-16
HUE041943T2 (hu) * 2007-03-06 2019-06-28 Tlv Co Ltd Úszós szelepkészülék, valamint eljárás úszós szelepkészülék tisztítására
WO2012126182A1 (en) * 2011-03-24 2012-09-27 Fisher Regulators (Shanghai) Co., Ltd. Balanced axial flow pressure regulator
CN114251513B (zh) * 2021-12-24 2024-04-09 苏州阀医生流体控制技术有限公司 一种减压阀

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899168A (en) * 1959-08-11 Pressure regulator
FR1065094A (fr) * 1952-10-28 1954-05-20 Lecq & Cie Soc Dispositif sectionneur de canalisations de gaz sous pression
FR1078604A (fr) * 1953-04-02 1954-11-19 Lecq Et Cie Soc Dispositif d'enclenchement et de déclenchement pneumatique
JPS455303Y1 (US20050271598A1-20051208-C00001.png) * 1965-06-01 1970-03-13
JPS4532717Y1 (US20050271598A1-20051208-C00001.png) * 1967-05-15 1970-12-14
US3734455A (en) * 1971-09-21 1973-05-22 Acf Ind Inc Safety device for a fluid cylinder valve actuator
US3775234A (en) * 1972-09-15 1973-11-27 Improved Machinery Inc Grid structure with waved strips having apexes with enlarged sections formed therein
US4197877A (en) * 1978-01-05 1980-04-15 The Clark-Reliance Corp. Pressure reducing valve
US4173448A (en) * 1978-01-06 1979-11-06 Husky Injection Molding Systems Actuating mechanism for gate valve of injection nozzle
US4429620A (en) * 1979-02-22 1984-02-07 Exxon Production Research Co. Hydraulically operated actuator
IT1131475B (it) * 1980-05-08 1986-06-25 Sigma Idraul Gen Macch Access Organo d'intercettazione telecomandabile ad intervento autoselettivo per condotte in pressione
JPS579527U (US20050271598A1-20051208-C00001.png) * 1980-06-18 1982-01-19
GB2168504B (en) * 1984-12-14 1988-09-07 Tlv Co Ltd Pressure reducing valve
CN1005588B (zh) * 1985-10-30 1989-10-25 Tlv有限公司 减压阀

Also Published As

Publication number Publication date
AU580717B2 (en) 1989-01-27
CN1011329B (zh) 1991-01-23
EP0257690A3 (en) 1989-03-15
EP0257690A2 (en) 1988-03-02
CN87105543A (zh) 1988-02-24
JPS6331415U (US20050271598A1-20051208-C00001.png) 1988-03-01
ZA875849B (en) 1988-04-27
DK414287A (da) 1988-02-13
DK414287D0 (da) 1987-08-10
KR880002445A (ko) 1988-05-09
PT85519A (pt) 1988-08-17
KR920007771B1 (ko) 1992-09-17
US4809736A (en) 1989-03-07
CA1294513C (en) 1992-01-21
PH24921A (en) 1990-12-26
AU7629087A (en) 1988-03-10
DE8710939U1 (de) 1988-01-07

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