JPH0457708U - - Google Patents

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Publication number
JPH0457708U
JPH0457708U JP9905390U JP9905390U JPH0457708U JP H0457708 U JPH0457708 U JP H0457708U JP 9905390 U JP9905390 U JP 9905390U JP 9905390 U JP9905390 U JP 9905390U JP H0457708 U JPH0457708 U JP H0457708U
Authority
JP
Japan
Prior art keywords
throttle means
nozzle
detection
passage leading
fixed throttle
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
JP9905390U
Other languages
Japanese (ja)
Other versions
JPH0729446Y2 (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 JP1990099053U priority Critical patent/JPH0729446Y2/en
Publication of JPH0457708U publication Critical patent/JPH0457708U/ja
Application granted granted Critical
Publication of JPH0729446Y2 publication Critical patent/JPH0729446Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)

Description

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

第１図は本考案の位置検出装置の例の構造図で
あり、第２図はその可変絞り手段の部分の構造お
よび機能を説明するための模式図である。第３図
は従来公知の位置検出装置における空気ブリツジ
回路を示す図であり、第４図は従来の空気ブリツ
ジ回路用の可変絞り手段であるニードルバルブの
構造図である。 FIG. 1 is a structural diagram of an example of the position detection device of the present invention, and FIG. 2 is a schematic diagram for explaining the structure and function of the variable aperture means. FIG. 3 is a diagram showing an air bridge circuit in a conventionally known position detection device, and FIG. 4 is a structural diagram of a needle valve that is a variable throttle means for the conventional air bridge circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 空気源から第１固定絞り手段と可変絞り手段と
を経て器外に通ずる比較空気通路と、該空気源か
ら第２固定絞り手段と近接位置検知ノズル接続口
とを経て器外に通ずる検知空気通路と、該第１固
定絞り手段と該可変絞り手段との中間位置から差
圧センサの比較圧力導入口に通ずる比較圧力通路
と、該第２固定絞り手段と該近接位置検知ノズル
接続口との中間位置から該差圧センサの検知圧力
導入口に通ずる検知圧力通路とからなる空気ブリ
ツジ回路を有し、前記可変絞り手段がノズルとそ
の先端に対向して設けられたフラツパ面と回転ダ
イヤル体であつてその回転角度に対応して該ノズ
ルと該フラツパ面との距離が変化するようにフラ
ツパ面と連成されたものとを備えてなることを特
徴とする位置検出装置。 A comparison air passage leading from the air source to the outside of the device via the first fixed throttle means and the variable throttle means; and a detection air passage leading from the air source to the outside of the device via the second fixed throttle means and the proximity position detection nozzle connection port. and a comparison pressure passage leading from an intermediate position between the first fixed throttle means and the variable throttle means to a comparison pressure inlet of the differential pressure sensor, and an intermediate position between the second fixed throttle means and the proximity position detection nozzle connection port. It has an air bridge circuit consisting of a detection pressure passage leading from the position to the detection pressure inlet of the differential pressure sensor, and the variable throttle means is composed of a nozzle, a flap surface provided opposite the tip thereof, and a rotary dial body. 1. A position detection device comprising: a nozzle connected to a flap surface such that the distance between the nozzle and the flap surface changes in accordance with the rotation angle of the nozzle.
JP1990099053U 1990-09-25 1990-09-25 Position detector Expired - Lifetime JPH0729446Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990099053U JPH0729446Y2 (en) 1990-09-25 1990-09-25 Position detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990099053U JPH0729446Y2 (en) 1990-09-25 1990-09-25 Position detector

Publications (2)

Publication Number Publication Date
JPH0457708U true JPH0457708U (en) 1992-05-18
JPH0729446Y2 JPH0729446Y2 (en) 1995-07-05

Family

ID=31840700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990099053U Expired - Lifetime JPH0729446Y2 (en) 1990-09-25 1990-09-25 Position detector

Country Status (1)

Country Link
JP (1) JPH0729446Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6443871B1 (en) * 2018-03-28 2018-12-26 日本空圧システム株式会社 Gap adjustment type nozzle valve and position detection device using gap adjustment type nozzle valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4675451B2 (en) * 2000-04-14 2011-04-20 株式会社ディスコ Cutting equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139703U (en) * 1981-02-26 1982-09-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139703U (en) * 1981-02-26 1982-09-01

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6443871B1 (en) * 2018-03-28 2018-12-26 日本空圧システム株式会社 Gap adjustment type nozzle valve and position detection device using gap adjustment type nozzle valve
JP2019171516A (en) * 2018-03-28 2019-10-10 日本空圧システム株式会社 Gap adjustment type nozzle valve and position detector using gap adjustment type nozzle valve

Also Published As

Publication number Publication date
JPH0729446Y2 (en) 1995-07-05

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