JPH0169186U - - Google Patents

Info

Publication number
JPH0169186U
JPH0169186U JP1988081157U JP8115788U JPH0169186U JP H0169186 U JPH0169186 U JP H0169186U JP 1988081157 U JP1988081157 U JP 1988081157U JP 8115788 U JP8115788 U JP 8115788U JP H0169186 U JPH0169186 U JP H0169186U
Authority
JP
Japan
Prior art keywords
diaphragm
diameter
synthetic resin
metal sheet
conveyed medium
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
JP1988081157U
Other languages
Japanese (ja)
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
Publication of JPH0169186U publication Critical patent/JPH0169186U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0041—Means for damping pressure pulsations
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)
  • Vibration Prevention Devices (AREA)

Description

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

図面は本考案による騒音減衰装置の縦断面図で
ある。 １……燃料フイードポンプ、２……ポンプカバ
ー、４……可動子、７……ポンプ吐出側接続部、
８……騒音減衰装置、９……ダイヤフラム形減衰
器、１０及び１１……ケーシング半部、１２……
つば、１３及び１３′……ダイヤフラム、１４…
…ばね皿、１５……ばね室、１６……減衰室、１
７……圧縮ばね、２０……雄ねじ、２１……流過
通路、２３……リング接続片、２４及び２５……
シールリング、２６……範囲、２７……通路、２
８……リング溝、２９……流過通路、３０……逆
止め弁、３５及び３６……支持肩部、３７……金
属製シート、３８……直径、３９……締込み直径
、４０……内径。 The drawing is a longitudinal cross-sectional view of the noise attenuation device according to the present invention. 1...Fuel feed pump, 2...Pump cover, 4...Mover, 7...Pump discharge side connection part,
8...Noise attenuation device, 9...Diaphragm type attenuator, 10 and 11...Casing half, 12...
Brim, 13 and 13'...Diaphragm, 14...
... Spring plate, 15 ... Spring chamber, 16 ... Damping chamber, 1
7...Compression spring, 20...Male thread, 21...Flow passage, 23...Ring connection piece, 24 and 25...
Seal ring, 26...range, 27...passage, 2
8...Ring groove, 29...Flow passage, 30...Check valve, 35 and 36...Support shoulder, 37...Metal seat, 38...Diameter, 39...Tightening diameter, 40... ...inner diameter.

Claims (1)

【実用新案登録請求の範囲】 １ 搬送媒体の圧力変動による騒音の減衰装置で
あつて、少なくとも１つの弾性的なダイヤフラム
を有しており、このダイヤフラムが搬送される媒
体と作用結合されている形式のものにおいて、燃
料圧力通路内にダイヤフラム形減衰器９が配置さ
れており、このダイヤフラム形減衰器のケーシン
グ半部１０，１１間のつば１２内に、互いに面平
行に位置する２つの合成樹脂製織物ダイヤフラム
１３，１３′がその周囲で以て締込まれており、
この合成樹脂製織物ダイヤフラム１３，１３′間
に薄い金属製シート３７が間挿されており、金属
製シート３７の直径３８が合成樹脂製織物ダイヤ
フラム１３，１３′の最も小さい締込み直径より
も小さくなつていることを特徴とする搬送媒体の
圧力変動による騒音の減衰装置。 ２ 搬送される媒体とは逆の側のケーシング半部
１０が、金属製シート３７の直径３８よりも小さ
い内径４０の支持肩部３５を有している実用新案
登録請求の範囲第１項記載の減衰装置。[Claims for Utility Model Registration] 1. A device for attenuating noise caused by pressure fluctuations in a conveyed medium, which has at least one elastic diaphragm, the diaphragm being operatively connected to the conveyed medium. A diaphragm-type damper 9 is arranged in the fuel pressure passage, and in a collar 12 between the casing halves 10 and 11 of the diaphragm-type damper, two synthetic resin parts are arranged parallel to each other. A textile diaphragm 13, 13' is tightened around it;
A thin metal sheet 37 is interposed between the synthetic resin fabric diaphragms 13, 13', and the diameter 38 of the metal sheet 37 is smaller than the smallest tightening diameter of the synthetic resin fabric diaphragms 13, 13'. A device for attenuating noise due to pressure fluctuations of a conveying medium, characterized by a 2. The utility model according to claim 1, in which the casing half 10 on the side opposite to the conveyed medium has a supporting shoulder 35 with an inner diameter 40 smaller than the diameter 38 of the metal sheet 37. damping device.
JP1988081157U 1980-04-15 1988-06-21 Pending JPH0169186U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803014280 DE3014280A1 (en) 1980-04-15 1980-04-15 Medium pressure fluctuation noise damper - has thin metal sheet between woven plastic membranes clamped between housing halves

Publications (1)

Publication Number Publication Date
JPH0169186U true JPH0169186U (en) 1989-05-08

Family

ID=6099964

Family Applications (2)

Application Number Title Priority Date Filing Date
JP5517781A Pending JPS56156474A (en) 1980-04-15 1981-04-14 Noise damper by pressure variation of conveying medium
JP1988081157U Pending JPH0169186U (en) 1980-04-15 1988-06-21

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP5517781A Pending JPS56156474A (en) 1980-04-15 1981-04-14 Noise damper by pressure variation of conveying medium

Country Status (2)

Country Link
JP (2) JPS56156474A (en)
DE (1) DE3014280A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3821726A1 (en) * 1988-06-28 1990-01-04 Klaus Kronwald Chemo Consult Pulsation damper
FR2789446B1 (en) * 1999-02-04 2002-03-08 Hydroperfect Internat Hpi HYDRAULIC PUMP OF THE GEAR TYPE AND ELECTRIC PUMP GROUP EQUIPPED WITH SUCH A PUMP

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS511020Y2 (en) * 1971-02-10 1976-01-13

Also Published As

Publication number Publication date
DE3014280A1 (en) 1981-10-22
JPS56156474A (en) 1981-12-03
DE3014280C2 (en) 1987-08-06

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