JPH0283315U - - Google Patents

Info

Publication number
JPH0283315U
JPH0283315U JP16302488U JP16302488U JPH0283315U JP H0283315 U JPH0283315 U JP H0283315U JP 16302488 U JP16302488 U JP 16302488U JP 16302488 U JP16302488 U JP 16302488U JP H0283315 U JPH0283315 U JP H0283315U
Authority
JP
Japan
Prior art keywords
rotor
chamber
rotating shaft
crankcase
rotating
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
JP16302488U
Other languages
Japanese (ja)
Other versions
JPH0724566Y2 (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 JP1988163024U priority Critical patent/JPH0724566Y2/en
Publication of JPH0283315U publication Critical patent/JPH0283315U/ja
Application granted granted Critical
Publication of JPH0724566Y2 publication Critical patent/JPH0724566Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Valve-Gear Or Valve Arrangements (AREA)

Description

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

第１図は第１の考案の実施例にかかるオイルポ
ンプ装置を適用したエンジンを示す一部破断側面
図、第２図はオイルポンプを示す断面図、第３図
は第２の考案の実施例を示す断面図、第４図は従
来のオイルポンプ装置を示す断面図である。 １……エンジン、２……クランクケース、３…
…クランクケースカバー、５……インナロータ、
６……アウタロータ、７……ポンプハウジング、
７ｂ……内周面、８……クランク軸、１６……一
側端面、１９……クランク室、３０……バランサ
軸（回転軸）、３５……ポンプカバー部、３７…
…ロータ室、Ｓ……軸方向。 Fig. 1 is a partially cutaway side view showing an engine to which an oil pump device according to an embodiment of the first invention is applied, Fig. 2 is a sectional view showing the oil pump, and Fig. 3 is an embodiment of the second invention. FIG. 4 is a sectional view showing a conventional oil pump device. 1...Engine, 2...Crankcase, 3...
...Crankcase cover, 5...Inner rotor,
6...Outer rotor, 7...Pump housing,
7b...Inner peripheral surface, 8...Crankshaft, 16...One side end surface, 19...Crank chamber, 30...Balancer shaft (rotating shaft), 35...Pump cover portion, 37...
...Rotor chamber, S...Axis direction.

Claims (1)

【実用新案登録請求の範囲】 (1) クランクケースの開口部にクランクケース
カバーを有し、上記クランクケースカバーの一部
によつて形成され、クランク室に向つて開口する
ポンプハウジングと、このポンプハウジング内に
形成され、クランク室に向つて開口するロータ室
と、このロータ室内に収納され互いに相対的に回
転するインナロータおよびアウタロータと、上記
インナロータを回転させる回転軸と、この回転軸
のジヤーナル端部に形成され、上記両ロータの軸
方向の一側端面に接するとともに、上記ロータ室
の開口端面に摺接するポンプカバー部とからなる
エンジンのオイルポンプ装置。 (2) 請求項(1)において、上記回転軸はバランサ
軸で、上記ポンプカバー部の重心をバランサ軸の
軸心からずらして、錘を構成したことを特徴とす
るエンジンのオイルポンプ装置。[Scope of Claim for Utility Model Registration] (1) A pump housing that has a crankcase cover at the opening of the crankcase, is formed by a part of the crankcase cover, and opens toward the crank chamber; A rotor chamber formed within the housing and opening toward the crank chamber; an inner rotor and an outer rotor housed within the rotor chamber and rotating relative to each other; a rotating shaft for rotating the inner rotor; and a journal end portion of the rotating shaft. An oil pump device for an engine, comprising: a pump cover portion that is formed in and in contact with one end surface in the axial direction of both of the rotors, and that is in sliding contact with an open end surface of the rotor chamber. (2) The engine oil pump device according to claim (1), wherein the rotating shaft is a balancer shaft, and the center of gravity of the pump cover portion is shifted from the axis of the balancer shaft to form a weight.
JP1988163024U 1988-12-15 1988-12-15 Engine oil pump device Expired - Lifetime JPH0724566Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988163024U JPH0724566Y2 (en) 1988-12-15 1988-12-15 Engine oil pump device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988163024U JPH0724566Y2 (en) 1988-12-15 1988-12-15 Engine oil pump device

Publications (2)

Publication Number Publication Date
JPH0283315U true JPH0283315U (en) 1990-06-27
JPH0724566Y2 JPH0724566Y2 (en) 1995-06-05

Family

ID=31447379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988163024U Expired - Lifetime JPH0724566Y2 (en) 1988-12-15 1988-12-15 Engine oil pump device

Country Status (1)

Country Link
JP (1) JPH0724566Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136110U (en) * 1985-02-14 1986-08-25
JPS63174513U (en) * 1987-02-04 1988-11-11
JPH01134712U (en) * 1988-03-08 1989-09-14

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136110U (en) * 1985-02-14 1986-08-25
JPS63174513U (en) * 1987-02-04 1988-11-11
JPH01134712U (en) * 1988-03-08 1989-09-14

Also Published As

Publication number Publication date
JPH0724566Y2 (en) 1995-06-05

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