US3799132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve device and system employing the same
Assignee: Ferry Cap and Set Screw Co
•
Filing: 1973-04-09
•
Granted: 1974-03-26
•
Expires: 1993-04-09
Abstract
Abstract A fluid pressure responsive valve device and system employing the same for providing variations in air flow to the manifold of an internal combustion engine in accordance with the engine vacuum.
Inventors
- 👤 A Macguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:39
CPC Classifications
F; F02; F02M; F02M23/00; F02M23/04; F02M23/08; F02M23/09; F02M23/095; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S137/00; Y10S137/903; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7749; Y10T137/7837; Y10T137/7879; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
158 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber having an inlet and an outlet, a resiliently deformable elastomeric valve member within said chamber intermediate said inlet and outlet, and support means for supporting said valve member within said chamber, said resiliently deformable elastomeric valve member being deformable by fluid pressure to cause lateral bulging of said valve member toward the surrounding wall of said chamber to reduce the clearnace between said valve member and wall and thereby increasingly restrict the flow of fluid around said valve member as the fluid pressure increases, said chamber being dimensioned to afford a small amount of clearance for said valve member even when the latter is compressed axially of said chamber by fluid pressure as aforesaid.
Claim 2
Dependent Claim
158 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber having an inlet and an outlet, a resiliently deformable elastomeric valve member within said chamber intermediate said inlet and outlet, and support means for supporting said valve member within said chamber, said resiliently deformable elastomeric valve member being deformable by fluid pressure to cause lateral bulging of said valve member toward the surrounding wall of said chamber to reduce the clearnace between said valve member and wall and thereby increasingly restrict the flow of fluid around said valve member as the fluid pressure increases, said chamber being dimensioned to afford a small amount of clearance for said valve member even when the latter is compressed axially of said chamber by fluid pressure as aforesaid.
Claim 3
Dependent Claim
94 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for supporting said valve member within said chamber in slightly spaced relation from said valve seat, said valve member being made of a resiliently deformable elastomeric material.
Claim 4
Dependent Claim
94 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for supporting said valve member within said chamber in slightly spaced relation from said valve seat, said valve member being made of a resiliently deformable elastomeric material.
Claim 5
Dependent Claim
68 words
The combination of claim 2 wherein said valve member is generally spherical when subjected to relatively low pressures and is deformable when subjected to relatively high pressures to cause lateral bulging of said valve member toward the surrounding wall of said chamber to reduce the clearance between said valve member and wall and thereby increasingly restrict the flow of air around said valve member as the pressure increases.
Claim 6
Dependent Claim
105 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber, a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for supporting said valve member within said chamber in slightly spaced relation from said valve seat, said support means comprising a serrated washer which permits flow of air therepast when contacted by said valve member.
Claim 7
Dependent Claim
105 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber, a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for supporting said valve member within said chamber in slightly spaced relation from said valve seat, said support means comprising a serrated washer which permits flow of air therepast when contacted by said valve member.
Claim 8
Dependent Claim
95 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for suppOrting said valve member within said chamber in slightly spaced relation from said valve seat, said support means comprising at least one spherical member of elastomeric material.
Claim 9
Dependent Claim
95 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for suppOrting said valve member within said chamber in slightly spaced relation from said valve seat, said support means comprising at least one spherical member of elastomeric material.
Claim 10
Dependent Claim
16 words
The combination of claim 5 wherein said support means comprises two spherical members of elastomeric material.
Claim 11
Dependent Claim
107 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for supporting said valve member within said chamber in slightly spaced relation from said valve seat, said support means comprising a length of resiliently deformable elastomeric tubing of smaller internal diameter than said valve member and in axial alignment therewith.
Claim 12
Dependent Claim
107 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and support means for supporting said valve member within said chamber in slightly spaced relation from said valve seat, said support means comprising a length of resiliently deformable elastomeric tubing of smaller internal diameter than said valve member and in axial alignment therewith.
Claim 13
Dependent Claim
27 words
The combination of claim 5 wherein said support means further comprises a serrated washer engaged by the end of said length of tubing remote from said seat.
Claim 14
Dependent Claim
37 words
The combination of claim 7 wherein said support means further comprises a spherical member of elastomeric material at the end of said chamber opposite said seat, said length of tubing being axially supported against said spherical member.
Claim 15
Dependent Claim
93 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber having an inlet and an outlet adjacent opposite ends thereof, a resiliently deformable elastomeric valve member within said chamber, and support means for supporting said valve member within said chamber, said inlet to said chamber being connected to the atmosphere, and said outlet being connected to said intake manifold.
Claim 16
Dependent Claim
93 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber having an inlet and an outlet adjacent opposite ends thereof, a resiliently deformable elastomeric valve member within said chamber, and support means for supporting said valve member within said chamber, said inlet to said chamber being connected to the atmosphere, and said outlet being connected to said intake manifold.
Claim 17
Dependent Claim
27 words
The combination of claim 10 wherein said valve means is responsive to the engine vacuum to vary the air flow therethrough inversely proportional to such engine vacuum.
Claim 18
Dependent Claim
28 words
The combination of claim 10 wherein said inlet to said chamber provides a seat for said valve member, said valve member being free to float within said chamber.
Claim 19
Dependent Claim
38 words
The combination of claim 10 wherein said inlet to said chamber provides a valve seat for said valve member, and said support means supports said valve member within said chamber in slightly spaced relation from said valve seat.
Claim 20
Dependent Claim
35 words
The combination of claim 13 further comprising a light spring interposed between said valve seat and valve member for maintaining said valve member against said support means and out of engagement with said valve seat.
Claim 21
Dependent Claim
53 words
The combination of claim 10 wherein said carburetor has idle jets and an idle mixture screw, said idle mixture screw being set to close off said idle jets, whereby the additional air which is normally supplied to said engine manifold through said idle jets is required to be supplied through said valve means.
Claim 22
Dependent Claim
68 words
The combination of claim 10 wherein said valve member is generally spherical when subjected to relatively low pressures and is deformable when subjected to relatively high pressures to cause lateral bulging of said valve member toward the surrounding wall of said chamber to reduce the clearance between said valve member and wall and thereby increasingly restrict the flow of air around said valve member as the pressure increases.
Claim 23
Dependent Claim
108 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, and a second pressure responsive valve means in parallel with the first-mentioned pressure responsive valve means, said first-mentioned pressure responsive valve means being open at relatively low pressUres to permit air flow therethrough which decreases with substantially increased pressures, and said second valve means being closed at relatively low pressures to prevent air flow therethrough and open at increased pressures to permit air flow therethrough which decreases with substantially increased pressures.
Claim 24
Dependent Claim
108 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, and a second pressure responsive valve means in parallel with the first-mentioned pressure responsive valve means, said first-mentioned pressure responsive valve means being open at relatively low pressUres to permit air flow therethrough which decreases with substantially increased pressures, and said second valve means being closed at relatively low pressures to prevent air flow therethrough and open at increased pressures to permit air flow therethrough which decreases with substantially increased pressures.
Claim 25
Dependent Claim
82 words
The combination of claim 17 wherein both said first and second valve means comprise a valve chamber, a resiliently deformable elastomeric valve member within said chamber, and support means for said valve member, each said valve member being deformable by pressure to cause lateral bulging of said valve members toward the surrounding walls of said chambers to reduce the clearance between said valve members and walls and thereby increasingly restrict the flow of air around said valve members as the pressure increases.
Claim 26
Dependent Claim
132 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber, a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and a serrated washer contained within said chamber axially spaced from said inlet, said inlet to said chamber including means for connection to the atmosphere and said outlet including means for connection to said intake manifold, all of the parts of said valve means except for said serrated washer being made of plastic to avoid stripping negative charges from the air delivered to said manifold.
Claim 27
Dependent Claim
132 words
In combination with an internal combustion engine having an intake manifold and carburetor, pressure responsive valve means for supplying auxiliary air to said manifold in varying amounts in accordance with the pressure acting on said valve means, said valve means comprising a valve chamber, a valve member within said chamber, an inlet to said chamber providing a seat for said valve member, an outlet from said chamber, and a serrated washer contained within said chamber axially spaced from said inlet, said inlet to said chamber including means for connection to the atmosphere and said outlet including means for connection to said intake manifold, all of the parts of said valve means except for said serrated washer being made of plastic to avoid stripping negative charges from the air delivered to said manifold.
Claim 28
Dependent Claim
82 words
The combination of claim 19 further including a support member for said valve member within said chamber, said valve and support members being made of plastic as aforesaid and being responsive to the engine vacuum to cause said valve and support members to vibrate resulting in shock waves in the air stream which break up the fuel-air droplets passing into said intake manifold and increase the turbulence of the fuel-air mixture to thoroughly mix the air and fuel in said intake manifold.
Claim 29
Dependent Claim
77 words
The combination of claim 20 wherein the pressure pulsations acting on said valve and support members drive the electrons from one side of said valve and support members to the other, whereby positive and negative chagres are built up on opposite sides of said valve and support members, and the negative charges are bled off by said serrated washer which concentrates such negative charges for bleed-off to the air passing through said washer into said intake manifold.
Claim 30
Dependent Claim
107 words
The combination of claim 19 wherein said valve member comprises a resiliently deformable elastomeric valve member within said chamber intermediate said inlet and outlet, said resiliently deformable elastomeric valve member being deformable by fluid pressure to cause lateral bulging of said valve member toward the surrounding wall of said chamber to reduce the clearance between said valve member and wall and thereby increasingly restrict the flow of fluid around said valve member as the fluid pressure increases, said chamber being dimensioned to afford a small amount of clearance for said valve member even when the latter is compressed axially of said chamber by fluid pressure as aforesaid.
References Cited (Backward Citations)
US701754A
Cited
US1700603A
Cited
GB372286A
Cited
US2106638A
Cited
US2088248A
Cited
US2210634A
Cited
US3055397A
Cited
US3192949A
Cited
US3322145A
Cited
US3287899A
Cited
US3439703A
Cited
US3491732A
Cited
US3450115A
Cited
US3437082A
Cited
US3483888A
Cited
US3693650A
Cited
US3664368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |