(19)
(11) EP 0 828 079 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.12.1998 Bulletin 1998/52

(43) Date of publication A2:
11.03.1998 Bulletin 1998/11

(21) Application number: 97306761.4

(22) Date of filing: 02.09.1997
(51) International Patent Classification (IPC)6: F04C 18/16, F04C 29/06
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV RO SI

(30) Priority: 09.09.1996 JP 238065/96

(71) Applicant: ISHIKAWAJIMA-HARIMA JUKOGYO KABUSHIKI KAISHA
Chiyoda-ku Tokyo 100 (JP)

(72) Inventor:
  • Takei, Nobuo
    Urayasu-shi, Chiba-ken (JP)

(74) Representative: Jennings, Nigel Robin et al
KILBURN & STRODE 30 John Street
London WC1N 2DD
London WC1N 2DD (GB)

   


(54) Lysholm compressors


(57) A Lysholm compressor comprises male and female rotors (1,2) which are rotatably accommodated within a casing structure comprising two part-cylindrical walls (9a,9b) which constitute a casing (3) and merge together at two cusps (10,11) which project inwardly towards one another. A suction port (4) and a discharge port (6) are provided at respective axial ends of the casing (3). A silencer chamber (13,14) is defined between at least one of the cusps (10,11) and respective associated outer wall portions (12, 15) which are situated outside the associated cusp and are integral with the casing (3). The or each silencer chamber (13,16) has a respective opening (14,17) which communicates with the suction port (4) and the discharge port (6), respectively.






Search report