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Current content: 158 383 361 patent documents

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131 418 new documents added

1 347 785 documents amended

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EP 0046505 B1 19840314 - CYLINDER FOR A RECIPROCATING PISTON MACHINE

Title (en)

CYLINDER FOR A RECIPROCATING PISTON MACHINE

Publication

EP 0046505 B1 19840314 (DE)

Application

EP 81105586 A 19810716

Priority

DE 3031926 A 19800823

Abstract (en)

[origin: US4462343A] A cylinder, for reciprocating piston engines, having a ring which is arranged between the cylinder head and the cylinder tube and forms a part of the inner wall of the cylinder. The ring is made of ceramic for heat insulating purposes.

IPC 1-7

F02F 1/04; F02B 77/11

IPC 8 full level

F02B 77/11 (2006.01); F02F 1/04 (2006.01)

CPC (source: EP US)

F02B 77/11 (2013.01 - EP US); F02F 1/04 (2013.01 - EP US)

Designated contracting state (EPC)

AT DE FR GB

DOCDB simple family (publication)

EP 0046505 A1 19820303; EP 0046505 B1 19840314; AT E6685 T1 19840315; DE 3031926 A1 19820401; DE 3162657 D1 19840419; US 4462343 A 19840731

DOCDB simple family (application)

EP 81105586 A 19810716; AT 81105586 T 19810716; DE 3031926 A 19800823; DE 3162657 T 19810716; US 29482981 A 19810821