JPH0287987U - - Google Patents

Info

Publication number
JPH0287987U
JPH0287987U JP16771288U JP16771288U JPH0287987U JP H0287987 U JPH0287987 U JP H0287987U JP 16771288 U JP16771288 U JP 16771288U JP 16771288 U JP16771288 U JP 16771288U JP H0287987 U JPH0287987 U JP H0287987U
Authority
JP
Japan
Prior art keywords
port
discharge port
chamber
rotor
oil chamber
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
JP16771288U
Other languages
Japanese (ja)
Other versions
JPH075262Y2 (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 JP1988167712U priority Critical patent/JPH075262Y2/en
Publication of JPH0287987U publication Critical patent/JPH0287987U/ja
Application granted granted Critical
Publication of JPH075262Y2 publication Critical patent/JPH075262Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

図面は本考案の実施例を示すものであつて、そ
の第１図は本考案の正面図、第２図は本考案の断
面図、第３図は本考案の要部斜視図、第４図はポ
ンプボデイーの一部切除した斜視図、第５図は第
４図−矢視断面図、第６図は浅溝部の別の実
施例の平面図、第７図は第６図−矢視断面図
、第８図はポンプボデイーの正面図、第９図は本
考案の要部斜視図、第１０図乃至第１３図は本考
案の作用を示す略示図、第１４図は従来のトロコ
イドポンプの作用を示す略示図、第１５図は本考
案の別の実施例の正面図、第１６図は第１５図の
作用を示す略示図である。 Ａ……ケーシング、３……ロータ室、３ａ……
円形面、４……吸入ポート、５……吐出ポート、
８……ポート間仕切部、９……浅溝部、１０……
オイルチヤンバ、ｓ……空隙部、１１……アウタ
ーロータ、１２……インナーロータ。 The drawings show an embodiment of the present invention, in which Fig. 1 is a front view of the invention, Fig. 2 is a sectional view of the invention, Fig. 3 is a perspective view of essential parts of the invention, and Fig. 4 is a front view of the invention. 5 is a partially cutaway perspective view of the pump body, FIG. 5 is a cross-sectional view taken in the direction of the arrows in FIG. 4, FIG. 6 is a plan view of another embodiment of the shallow groove portion, and FIG. Figure 8 is a front view of the pump body, Figure 9 is a perspective view of the main parts of the present invention, Figures 10 to 13 are schematic diagrams showing the operation of the present invention, and Figure 14 is a conventional trochoid pump. FIG. 15 is a front view of another embodiment of the present invention, and FIG. 16 is a schematic diagram showing the operation of FIG. 15. A...Casing, 3...Rotor chamber, 3a...
circular surface, 4...suction port, 5...discharge port,
8... Port partition part, 9... Shallow groove part, 10...
Oil chamber, s...Gap, 11...Outer rotor, 12...Inner rotor.

Claims (1)

【実用新案登録請求の範囲】 (1) ケーシングのロータ室の円形面に左右にポ
ート間仕切部を介して吸入ポート及び吐出ポート
を形成し、該吐出ポートの始点側端部に浅溝部を
介してオイルチヤンバを形成したことを特徴とし
たトロコイド型オイルポンプ。 (2) ケーシングのロータ室の円形面に左右にポ
ート間仕切部を介して吸入ポート及び吐出ポート
を形成し、該吐出ポートの始点側端部に浅溝部を
介してオイルチヤンバを形成し、アウターロータ
とインナーロータにて形成する空隙部が略最大容
積となるポート間仕切部で、その空隙部と吸入ポ
ート端とオイルチヤンバ端とが連通するようにし
たことを特徴としたトロコイド型オイルポンプ。[Claims for Utility Model Registration] (1) A suction port and a discharge port are formed on the circular surface of the rotor chamber of the casing through port partitions on the left and right, and a shallow groove is formed at the end of the discharge port on the starting point side. A trochoid type oil pump characterized by the formation of an oil chamber. (2) A suction port and a discharge port are formed on the circular surface of the rotor chamber of the casing through port partitions on the left and right, and an oil chamber is formed at the starting point side end of the discharge port through a shallow groove, and the oil chamber is connected to the outer rotor. A trochoid oil pump characterized in that a port partition portion in which a gap formed by an inner rotor has a substantially maximum volume allows communication between the gap, a suction port end, and an oil chamber end.
JP1988167712U 1988-12-27 1988-12-27 Trochoid type oil pump Expired - Lifetime JPH075262Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988167712U JPH075262Y2 (en) 1988-12-27 1988-12-27 Trochoid type oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988167712U JPH075262Y2 (en) 1988-12-27 1988-12-27 Trochoid type oil pump

Publications (2)

Publication Number Publication Date
JPH0287987U true JPH0287987U (en) 1990-07-12
JPH075262Y2 JPH075262Y2 (en) 1995-02-08

Family

ID=31456254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988167712U Expired - Lifetime JPH075262Y2 (en) 1988-12-27 1988-12-27 Trochoid type oil pump

Country Status (1)

Country Link
JP (1) JPH075262Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002147367A (en) * 2000-11-09 2002-05-22 Unisia Jecs Corp Oil pump
JP2018145868A (en) * 2017-03-06 2018-09-20 トーヨーエイテック株式会社 Oil pump
TWI703269B (en) * 2019-03-21 2020-09-01 亞台富士精機股份有限公司 Exhaust attachment and pump apparatus thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100532840C (en) * 2005-02-24 2009-08-26 爱信艾达株式会社 Gear pump and automatic transmission machine using the same
KR102056897B1 (en) * 2012-12-21 2020-01-22 엘지이노텍 주식회사 Electric Pump
US9624929B2 (en) * 2012-12-21 2017-04-18 Lg Innotek Co., Ltd. Electric pump

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148984U (en) * 1984-08-30 1986-04-02
JPS61108884A (en) * 1984-10-31 1986-05-27 Aisin Seiki Co Ltd Trochoid oil pump
JPS61138893A (en) * 1984-12-07 1986-06-26 Aisin Seiki Co Ltd Trochoidal oil pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148984U (en) * 1984-08-30 1986-04-02
JPS61108884A (en) * 1984-10-31 1986-05-27 Aisin Seiki Co Ltd Trochoid oil pump
JPS61138893A (en) * 1984-12-07 1986-06-26 Aisin Seiki Co Ltd Trochoidal oil pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002147367A (en) * 2000-11-09 2002-05-22 Unisia Jecs Corp Oil pump
JP2018145868A (en) * 2017-03-06 2018-09-20 トーヨーエイテック株式会社 Oil pump
TWI703269B (en) * 2019-03-21 2020-09-01 亞台富士精機股份有限公司 Exhaust attachment and pump apparatus thereof

Also Published As

Publication number Publication date
JPH075262Y2 (en) 1995-02-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term