Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/139
Name: Fluid handling > Siphons > Periodic or accumulation responsive discharge > Release of trapped air > Through liquid trap seal > Auxiliary liquid trap seal
Description: Apparatus in which the air releasing seal comprises a second liquid trap seal in addition to the air trapping seal necessarily present at the discharge end of the siphon element.

Patents under this class:

Patent Number Title Of Patent Date Issued
5898375 Siphon alarm and restarting mechanism Apr. 27, 1999
4625752 Flushing siphon Dec. 2, 1986
4586527 Gas-plug type valve May. 6, 1986
4319601 Trigger mechanism for siphon apparatus Mar. 16, 1982
4249559 Reliable trap filling device for siphon apparatus Feb. 10, 1981
4181142 Siphon apparatus Jan. 1, 1980
3972966 Apparatus for producing pulsed liquid flow in a distillation column Aug. 3, 1976

  Recently Added Patents
Cooling method and device for cooling a medium-voltage electrical installation in a protective sheath
Sense-amplifier monotizer
Methods of preventing and treating viral infections by inhibiting the deISGylation activity of OTU domain-containing viral proteins
Computer implemented apparatus for generating and filtering creative proposal
Lighting elements
MOS device for eliminating floating body effects and self-heating effects
Hydrogen generation device and fuel cell system
  Randomly Featured Patents
Expansion joint
Eraseable electro-optic storage disk, method of and apparatus for recording and reading data therefor
Process for making electrical feedthroughs for ceramic circuit board support substrates
Chemiluminescent compositions and their use in the detection of hydrogen peroxide
Method and system for generating and updating transmission rate for link adaptation in IEEE 802.11 WLAN
Tool for making rows of perforations in paper webs or the like
Method of dispensing particles, a particle filling line, and apparatus for dispensing particles
Pen holder
CCD frame transfer photosensitive matrix with vertical anti-blooming system
Inshot valve arrangement for railway brake control apparatus employing combined air reservoir/brake cylinder device