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JPS55112894A - Air pump - Google Patents

Air pump

Info

Publication number
JPS55112894A
JPS55112894A JP1949779A JP1949779A JPS55112894A JP S55112894 A JPS55112894 A JP S55112894A JP 1949779 A JP1949779 A JP 1949779A JP 1949779 A JP1949779 A JP 1949779A JP S55112894 A JPS55112894 A JP S55112894A
Authority
JP
Japan
Prior art keywords
vane
resin
onto
housing
edge walls
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
JP1949779A
Other languages
Japanese (ja)
Inventor
Akio Kawasawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP1949779A priority Critical patent/JPS55112894A/en
Publication of JPS55112894A publication Critical patent/JPS55112894A/en
Pending legal-status Critical Current

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Landscapes

  • Rotary Pumps (AREA)

Abstract

PURPOSE:To decrease frictional resistance and prevent anomalous noise by applying a low frictional resin onto at least either the vane side or the inner surface of the edge wall of the housing of an air pump. CONSTITUTION:Onto the projected end of each vane 14, a mixture of graphite and an epoxy resin is applied as sealing means and dried, thus forming a layer 56. Further, on the other end of each vane 14, or on the edge walls 20, 20' of the housing 16 opposite to the vane side, a low frictional resin 58 such as a fluorinated resin is coated. When a rotor 12 begins revolution, the sealing means 56 at the projected end of each vane 14 scavenges the inner wall surfaces 20 and 20' of the peripheral wall 18, but as fluorinated-resin is coated onto the edge walls 20, 20' of the housing 16, worn-off powder does not adhere onto the edge walls 20, 20' and smooth movement of the vanes is assured, and thus, frictional resistance can be reduced, and the genneration of anomalous noise can be prevented.
JP1949779A 1979-02-21 1979-02-21 Air pump Pending JPS55112894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1949779A JPS55112894A (en) 1979-02-21 1979-02-21 Air pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1949779A JPS55112894A (en) 1979-02-21 1979-02-21 Air pump

Publications (1)

Publication Number Publication Date
JPS55112894A true JPS55112894A (en) 1980-09-01

Family

ID=12000999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1949779A Pending JPS55112894A (en) 1979-02-21 1979-02-21 Air pump

Country Status (1)

Country Link
JP (1) JPS55112894A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418251A1 (en) * 1983-05-20 1984-11-29 Nippon Piston Ring Co., Ltd., Tokio/Tokyo ROTARY VALVE COMPRESSOR AND RELATED RUNNER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418251A1 (en) * 1983-05-20 1984-11-29 Nippon Piston Ring Co., Ltd., Tokio/Tokyo ROTARY VALVE COMPRESSOR AND RELATED RUNNER

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