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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 137/601.17 - Butterfly valve


Subclass of Class 137 - Fluid handling
Definition: Rotary valve wherein the movable flow control member has
No. of patents: 26
Last issue date: 09/30/2008


NumberTitleIssue Date
7428915O-ringless tandem throttle valve for a plasma reactor chamber
A valve system having high maximum gas flow rate and fine control of gas flow rate, includes a valve housing for blocking gas flow through a gas flow path, a large area opening through said housing having a first arcuate side wall and a small area opening through sa...
09/30/2008
7392826Valve device and multiport regulating assembly comprising a plurality of such devices
The present invention relates to a valve device for regulating a fluid, particularly a gaseous fluid, in a conduit portion, comprising a valve body fixed to a support spindle extending transversely into said portion and mounted with the ability to rotate therein, sa...
07/01/2008
7325569Butterfly valve with integral split flapper relief valve
A valve is provided that includes a valve housing, a valve element, and a flapper. The valve housing has a passage. The valve element is rotationally mounted in the passage and moveable between an open position and a closed position. Additionally, the valve element ...
02/05/2008
6991177Multi-valve damper for controlling airflow and method for controlling airflow
The present invention relates to a multi-valve damper which divides a section of an airflow duct into at least two airflow sections. The damper has a plug body having a proximal end and a distal end. The plug body is adapted to separate a section of an airflow duct ...
01/31/2006
6568417Throttle valve assembly
A throttle valve assembly for a deposition chamber or the like is disclosed. The throttle valve assembly comprises a shaft including a first portion and second portion. At least one throttle vane or plate is coupled to the first portion of the shaft and a...
05/27/2003
6557826Low leakage butterfly damper
An improved butterfly damper for air delivery systems, having multiple rotatable blades, and a centrally located blade rotating, or actuation means. Each blade comprises an offset, or displaced portion to allow concealment of the actuation mechanism upon ...
05/06/2003
6293306Throttle gate valve
A throttle gate valve (10) including an upright, generally rectangular valve housing (12), in which is positioned a linearly movable gate valve (32) for closing off a thru-opening (15) formed in the lower part of housing (12). A pneumatic actuator assembl...
09/25/2001
6206034Valve with integral flow switch
A valve has an integral flow switch with a passageway provided through the valve member such as a butterfly disk to an inlet of the flow switch. An outlet of the flow switch communicates with the outlet of the valve....
03/27/2001
6192931Damper blade control
A device for controlling the movement of a damper mounted in a housing includes a shaft rotatably secured to the damper for pivoting the damper between an open position and a closed position. A lever arm is mounted on the shaft for rotation therewith and ...
02/27/2001
6192930Valve device
A valve (8) is fitted into a channel arrangement having a first inner channel (1) which extends longitudinally carrying a first fluid. An outer channel (4) encloses channel (1) and is intended for the passage of a second fluid at a lower temperature. The ...
02/27/2001
5113910Butterfly valve with biased area reduction means
A butterfly valve adapted for controlled variation in the area of the leading wing of the valve plate. The valve plate is comprised of two parallel plate-like members which are relatively translatable in mutually parallel directions. The relative translat...
05/19/1992
4969485Butterfly valve apparatus and method
A butterfly valve includes a duct defining a fluid flow path and a plate-like valve member pivotal in the duct to in one position span and close the latter. The valve member is pivotal to a second position spanning the duct and extending parallel to the f...
11/13/1990
4962783Butterfly valve apparatus and method
A butterfly valve includes a duct defining a fluid flow path and a plate-like valve member pivotal in the duct to in one position open and close the latter. The valve member is pivotal to a second position spanning the duct and extending parallel to the f...
10/16/1990
4909211Barrel-type throttle valve for engine air intake
A throttle valve arrangement for an engine air intake includes an engine intake air passage having a longitudinal direction of air flow. A cylindrical bore extends laterally across the passage and has diametrically opposed openings longitudinally aligned ...
03/20/1990
4860535Power plant for burning a fuel at high pressure and a gas turbine driven by the combustion gases
A power plant for burning a fuel at a pressure exceeding atmospheric pressure, in particular a PFBC power plant with a bed vessel enclosed in a pressure vessel, includes a plurality of valves in a hot gas pipe between the bed vessel and a turbine, and an ...
08/29/1989
4791782Fluid outlet duct
The invention relates to fluid outlet ducts particularly cooling air outlet ducts of a gas turbine engine. A fluid outlet duct for a gas turbine engine is divided across its width into a plurality of second plenum chambers, each of the second plenum chamb...
12/20/1988
4682674Apparatus for limiting back pressure in an exhaust-type engine suppressor
A pressure relief device for a throttle-type engine exhaust suppressor comprises a valve bore opening into the exhaust pipe in the region of an end face of the throttle valve when the throttle valve is in closed position. The valve bore incorporates a spr...
07/28/1987
4610197Damper blade construction
A hollow airfoil damper blade formed by sheet metal. The walls of the blade are formed by two sheets crimped together at the edges. The blade tapers from the center toward the edges and has two pairs of V-shaped stiffening ribs formed by corrugations in t...
09/09/1986
4580603Shutoff valve with a flap member
A shutoff valve has a movable flap member rotatably mounted in a valve housing. The valve housing has concentric, spherically-shaped sealing surface zones which cooperate with an edge of the flap member. The housing also has two coaxial couplings and one ...
04/08/1986
4573441Valve arrangement
An improvement is disclosed for a valve arrangement for adjusting the idling speed of an engine of the type having an intake manifold and a throttle valve in the manifold. In this arrangement there is a bypass of the throttle valve, and an electromechanic...
03/04/1986
4438049Carburetor engine idle speed air bypass
An automotive type carburetor is provided with an air bypass channel routing idle speed air flow around the closed throttle valve; the bypass channel containing a spring closed poppet valve having an adjustable volume internal channel connecting air to op...
03/20/1984
4347869Hydraulic valve position control system for regulating smokestack exhaust pressure
A control system for regulating exhaust gas pressure in a furnace smokestack by means of three power cylinder actuated butterfly valves in the smokestack opening. An electronic control circuit provides digital output signals, which operate spool valve dev...
09/07/1982
4113230Rotating blade fire damper
A fire, smoke and air control damper is disclosed wherein one or more hook-shaped hinge portions formed intermediate between the longitudinal edges of each damper blade engage complementally configured hook-shaped hinge elements formed on opposite sides o...
09/12/1978
4113232Smoke, fire and air control damper with stamped blade
A novel smoke, fire or air control damper is disclosed wherein a frame with an inwardly depending flange is articulated to at least one rotating blade by integrally formed hook-shaped hinge elements and hinge portions which are stamped in the blade and fl...
09/12/1978
4081173Rotating blade fire damper
A novel fire, smoke and air control damper is disclosed wherein one or more hook-shaped hinge portions formed intermediate between the longitudinal edges of each damper blade engage complementally configured hook-shaped hinge elements formed on opposite s...
03/28/1978
3993096Damper construction
This invention provides a damper construction for forced-air systems in which the damper may be opened and closed by means of a solenoid or equivalent component against a wide range of volumes and velocity. The main damper panel has a window to one side o...
11/23/1976
 
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