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특허 상세정보

Flapper check valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-015/10    F23C-011/00   
미국특허분류(USC) 137/5121 ; 137/51613 ; 137/51623 ; 431/1
출원번호 US-0359082 (1989-05-26)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 5  인용 특허 : 15
초록

This invention relates to a flapper check valve having a valve housing which has at least one outlet opening. A valve backer plate having a plurality of arcuate backer through holes is positioned generally parallel to a valve port plate having a plurality of arcuate port through holes. The valve port plate and valve backer plate are sealably secured with respect to the valve housing. In an open position of the flapper check valve, the backer through holes are in communication with the port through holes. At least one peripheral spacer/hermetic seal is po...

대표
청구항

A flapper check valve comprising: a valve housing having outlet means; a valve backer plate having a plurality of arcuate backer through holes; a valve port plate having a plurality of arcuate port through holes, said valve port plate positioned generally parallel to said valve backer plate and sealably secured with respect to said valve housing, in an open position of the flapper check valve said backer through holes in communication with said port through holes; peripheral spacer/hermetic seal means secured between said valve backer plate and said valv...

이 특허에 인용된 특허 (15)

  1. Madoche Robert D. (Box 916 Devon ; Alta. CAX T0C 1E0) Madoche Dan C. (34 Winchester Ave. Spruce Grove ; Alta. CAX T0E 2C0) Lepps Neil O. (51028 Range Rd. 221 Sherwood Park ; Alta. CAX T8E 1G8) Zukows. Compressor valve. USP1984114483363.
  2. Molina, Domingo F.. Double flapper check valve. USP1985084537213.
  3. Melrose David R. (Ringoes NJ) Russo Mario A. (Edison NJ). High speed-high flow spool valve. USP1986034577661.
  4. Cunningham William W. (P.O. Box 425 Exeter CA 93221). Plate check valve. USP1981074278106.
  5. Mayer Thomas E. (Tonawanda NY) Story John N. (West Seneca NY). Plate valve. USP1981124307751.
  6. Villa Joseph (Hazlet NJ). Pressure relief port. USP1986024569208.
  7. Kitchen John A. (Hastings CAX). Pulse combustion apparatus. USP1987024640674.
  8. Kitchhen John A. (R.R. #3 Hastings ; Ontario CAX K0L 1Y0). Pulse combustion apparatus. USP1982064336791.
  9. Vishwanath Palamadi S. (Brunswick OH) Griffiths James C. (Lyndhurst OH). Pulse combustion burner feed valve. USP1988064752209.
  10. Himmel Robert L. (Cleveland OH). Pulse combustion burner for cooking surface. USP1986024570610.
  11. Yokoyama Nobuyoshi (Nagoya JPX) Hayakawa Tsuneyasu (Nagoya JPX). Pulse combustion device. USP1987124715807.
  12. Matsuzaka Takashi (Fuji JPX) Saito Toshihiko (Tokyo JPX) Hisaoka Satoshi (Fujinomiya JPX). Pulse combustor. USP1987084687435.
  13. Blz Jrgen (Weinsberg DEX). Slide gate valve. USP1987024643226.
  14. Mayer Endre A. (Birmingham MI) Kelso Charles R. (Farmington Hills MI). Solenoid control valve. USP1981114300595.
  15. Kirpichenkov Alexandr G. (ulitsa Komsomola ; 45 ; kv. 29 Leningrad SUX). Straightway valve. USP1979114173985.