Patent US4539162A successfully refreshed from Google Patents.
US4539162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Choke assembly for golf cart
Assignee: Club Car LLC
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Filing: 1984-05-10
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Granted: 1985-09-03
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Expires: 2004-05-10
Abstract
Abstract An air intake assembly for a golf cart engine provides an air inlet port in a passenger compartment shielded from road dust for introducing clean air for combustion into the carburetor located in the rear mount engine compartment, as connected by flexible air flow tubing. A special choke mechanism located in the passenger compartment eliminates the need for a butterfly valve in the carburetor and the need for a choke cable extending between the two compartments. Thus, choking is achieved by manually operating a biased open valve in the form of a cover cap on the air inlet port to restrict air inlet flow at a convenient location in the passenger compartment, rather than by a complex and critical butterfly assembly in the carburetor connected by a cable to a driver accessible location. The air inlet mount includes an intake air tuned silencer to remove audio frequency intake noises.
Inventors
- 👤 James C. Ferrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:53
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
111 words
An air inlet assembly for the carburetor for an internal combustion engine of a golf cart or the like, which increases engine life, reduces maintenance cost and eliminates the need for a choke cable and butterfly valve comprising in combination, a passenger compartment protected from ground dust, and an engine compartment containing a carburetor, an air inlet port for air for combustion located in the passenger compartment for providing clean air to the carburetor, manual choking means in the passenger compartment for interrupting the flow of air through said inlet port, and a tube means comprising the major air supply for said engine and connecting said air inlet to said carburetor.
Claim 2
Dependent Claim
111 words
An air inlet assembly for the carburetor for an internal combustion engine of a golf cart or the like, which increases engine life, reduces maintenance cost and eliminates the need for a choke cable and butterfly valve comprising in combination, a passenger compartment protected from ground dust, and an engine compartment containing a carburetor, an air inlet port for air for combustion located in the passenger compartment for providing clean air to the carburetor, manual choking means in the passenger compartment for interrupting the flow of air through said inlet port, and a tube means comprising the major air supply for said engine and connecting said air inlet to said carburetor.
Claim 3
Dependent Claim
20 words
An air inlet as defined in claim 1 wherein the carburetor has an open throat without a choke butterfly valve.
Claim 4
Dependent Claim
37 words
An air inlet as defined in claim 2 wherein said air inlet includes a series of parallel tubes coupled to the air inlet comprising an audio noise filter to reduce air intake noise caused by manual choking.
Claim 5
Dependent Claim
27 words
An air inlet assembly as defined in claim 1 wherein the manual choking means is located on a wall between the passenger compartment and the engine compartment.
Claim 6
Dependent Claim
51 words
An air inlet assembly as defined in claim 1 wherein the choking means comprises an air inlet tubing cap biased open in an engine operating position and movable to partially block air entering the tubing for manual choking operation only by manually holding the cap in choked position overcoming the bias.
Claim 7
Dependent Claim
32 words
The assembly defined in claim 1 including an audio frequency filter in the air inlet tube means lowering noises caused during manual choking that could be heard by passengers in said compartment.
Claim 8
Dependent Claim
23 words
The combination defined in claim 1 including silencing means located adjacent the remote location for reducing air inflow noise caused by manual choking.
Claim 9
Dependent Claim
28 words
The combination of claim 1 wherein the engine drives a vehicle with a passenger compartment shielded from road dust, and said remote location is in said passenger compartment.
Claim 10
Dependent Claim
55 words
A passenger carrying internal combustion engine powered vehicle having separated engine and passenger compartments, a carburetor in said engine compartment with an open throat, and a choke valve positioned in a carburetor air inlet passageway for said carburetor located in said passenger compartment, said air inlet passageway comprising the major air supply for said engine.
Claim 11
Dependent Claim
55 words
A passenger carrying internal combustion engine powered vehicle having separated engine and passenger compartments, a carburetor in said engine compartment with an open throat, and a choke valve positioned in a carburetor air inlet passageway for said carburetor located in said passenger compartment, said air inlet passageway comprising the major air supply for said engine.
Claim 12
Dependent Claim
25 words
The combination defined in claim 9 wherein the choke valve comprises means manually operable to restrict air flowing through said inlet passageway to said carburetor.
Claim 13
Dependent Claim
55 words
The combination defined in claim 10 including a choke cap about the air inlet passageway biased open by a spring to hold the air inlet passageway normally in an engine operating air flow condition serving as a choke only when the spring bias is manually overcome by moving the cap to restrict the air flow.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-02 | 1989-03-04 | 1989-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-02 | 1993-03-04 | 1993-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-02 | 1997-03-04 | 1997-09-03 | $7700.00 | Window Closed / Lapsed |